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      <Desc>See Schedule OHouston Zoo, Inc. (HZI) is accredited by the Association of Zoos and Aquariums (AZA), America's leading accrediting organization for zoos and aquariums. AZA accredits only those institutions that have achieved the highest standards for animal and veterinary care, safety practices, education, wildlife conservation, and science.HZI is one of 237 AZA-accredited institutions - essential to accomplishing its mission to connect communities with animals and inspire action to save wildlife. HZI does this guided by the following principles: 1) Be a zoo for all; 2) Provide exemplary animal care, assuring outstanding animal welfare; 3) Deliver a smart, fun, inspiring guest experience; 4) Be the leading environmental education resource in Texas; 5) Inspire broad community support and collaborations; 6) Change behaviors to help protect wildlife; 7) Create a workplace culture that embodies respect, empowerment, teamwork, and personal development; 8) Employ best business practices and sound financial management; 9) Ensure safety for guests, staff and the animals in our care; and 10) Operate sustainably and set an example for others.HZI's animal collection is among the largest and most well-rounded in the nation, providing our guests with opportunities to enjoy and learn about the diversity of the natural world. HZI's veterinary team is also among the best in the nation, responsible for an ambitious preventive medicine program that includes routine health exams, vaccinations, and ongoing health surveillance. HZI is recognized as a leader in the global movement to save wildlife, including several Texas native species such as Attwater's Prairie Chicken, Houston Toad, Whooping Crane and Kemp Ridley Sea Turtle. HZI's Centennial Master Plan, a multi-year effort to construct conservation-minded, multi-species exhibits for the public and make critical improvements to its 100-year-old infrastructure, overcame pandemic-related construction challenges to complete the South American Pantanal exhibit. This immersive, 4.5-acre project (opened in October 2020) highlights the extraordinary biological diversity of the world's largest freshwater wetland with multiple exhibits, featuring jaguars, giant anteaters, giant river otters, anacondas, and more, with a focus on conservation efforts in the Pantanal and HZI's many-year support of those programs.Under the guidance of the Houston Health Department, HZI also implemented wide-ranging protocols to mitigate COVID-19 transmission by protecting guests, staff and animals. Measures included timed ticket entry, contactless transactions, hand sanitizers throughout the grounds, physical distance signage, masking indoors, and much more.In keeping with its mission to be a "Zoo for All," the demographics of Zoo attendance continues to closely match the demographics of the City of Houston's population. HZI takes pride in its vital presence in the community and will continue to cultivate community engagement utilizing traditional marketing mediums (television, print, radio, outdoor) as well as digital and social media. Though attendance was limited due to pandemic-related capacity constraints, almost 25% of guests visited the Zoo free of charge or at a heavily discounted price through HZI's multifaceted approach to ensure all Houstonians, regardless of means, have access. Lone Star cardholding guests could bring 2 adults and 3 children for $6 each, a 70% discount off regular price, and Military ID holding guests could bring up to 2 adults and 3 children at a 50% discount. 172,627 Lone Star Card and Military ID holding guests took advantage of these programs. In 2010 HZI eliminated its original free days in favor of monthly free Tuesdays to eliminate problems created for the Texas Medical Center as traffic gridlock on those days adversely affected emergency vehicle access to emergency rooms. With this program, guests now have 12 opportunities to attend the Zoo for free over the course of a year. During 2022, HZI provided free admission to 242,858 guests, mainly during our monthly Free Tuesday day. Total gate attendance was 1,663,111 and our Zoo Lights celebration accounted for 205,368 guests during 2022. HZI Community Support consists of adult volunteer, Junior League, and Master Naturalist volunteer hours. In 2022, 434 adult volunteers donated 31,550 hours to HZI by participating in activities from animal care and horticulture to administration, event support, education, and conservation.</Desc>
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        <Desc>See Schedule OHZI's Wildlife Conservation Program is a critical mission component and connects communities with animals to inspire wildlife saving action. In 2022, HZI's Wildlife Conservation Program supported nearly 33 partnerships protecting wildlife in 17 countries, including the United States, Central and South America, Africa, and Asia.Regionally, HZI worked with local, state and federal organizations and local communities to support wildlife and habitat research and conservation measures. Reintroduction programs for the endangered Houston Toad included a nearly 1 million toad egg release in Bastrop County with USFWS and Texas State University partners. Work to reintroduce Texas's most critically endangered bird, the Attwater's Prairie Chicken, back into its native habitat continued at the Attwater's Prairie Chicken National Refuge in Sealy, TX. And 2022 marked HZI's sixth year of support for Whooping Crane recovery along the Central Texas coast. Efforts include habitat protection along with community outreach and awareness programs. All HZI conservation programs are based on long-term close working partnerships and include habitat protection along with community outreach and awareness programs to create the greatest possible impact. Local partners include Texas Parks and Wildlife Department, US Fish and Wildlife Service, Texas State University, NOAA Marine Fisheries, Texas A&amp;M University at Galveston, Association of Zoos and Aquariums, Galveston Bay Foundation, Attwater's Prairie Chicken National Refuge, NASA's Johnson Space Center, and many others.Internationally, HZI's conservation efforts are focused on critical regions and species linked to the animals in its collection. This is accomplished through partnerships with leading conservationists, organizations, zoos, and aquariums around the world. The connection between HZI's partners and its collection is typified by the Pantanal exhibit's focus on efforts in Brazil to protect key species such as Tapirs, Giant Anteaters, Giant Otters, and Jaguars. By effectively communicating this connection, Zoo guests can see the purchase of their admission and memberships as critical support for wildlife across the globe. Another major focus is directed at reducing threats to wildlife affected by plastic pollution.</Desc>
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        <Desc>See Schedule O The Houston Zoo's Conservation Education Department aims to ignite in all people a passion for lifelong learning and conservation by creating connections between guests and nature. Formal and informal education programs promote scientific inquiry through hands-on experiences with living plants and animals, leading to increased learning. During this reporting period, the Houston Zoo's Conservation Education Department personnel conducted interpretive programs on the grounds reaching approximately 557,906 participants. The Zoo's conservation education programs offer a continuum of learning from birth to adulthood including fee-based educational programs, on-site live interpretation, adult volunteers, and interpretive planning. Fee-based programs include family programs, early childhood programs, teen programs, summer camp, and overnights. Camp Zoofari, a popular summer program at the Zoo, provides ages 6-14 with immersive experiences led by our professional camp guides.Conservation Education Programs (1/1/2022 to 12/31/2022): Total persons served: 566,507 (includes onsite guest interactions by staff, teens and volunteer interpreters, pre-schedule fee-based programming)The Houston Zoo values being a "Zoo for All." Conservation Education supports this value by offering free weeklong summer camp experiences for need-based children ages 6-12. In addition, we partner with school campuses across the Greater Houston region to support students in their wildlife-saving initiatives at no cost to the school or students; as well as awarding college scholarships to our Zoo Crew teens that are graduating out of the program to college. We also offer outreach ZooMobile programs at no cost to Houston-area community partners.Summer Camp scholarships: 172 campersSaving Wildlife School Partnerships: 1720 students and educatorsZooMobiles: 28 programs reaching 1470 Houston community membersZoo Crew teen college scholarships: 4 teens</Desc>
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        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Molly Voorhees</PersonNm>
        <TitleTxt>Vice Chair</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Sami Ahmad</PersonNm>
        <TitleTxt>Board Member</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>George Basu</PersonNm>
        <TitleTxt>Board Member as of 7/22</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Carlos Bueno</PersonNm>
        <TitleTxt>Board Member</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Beto Cardenas</PersonNm>
        <TitleTxt>Board Member as of 7/22</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Kris Chikelue</PersonNm>
        <TitleTxt>Board Member as of 7/22</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Anne Clutterbuck</PersonNm>
        <TitleTxt>Board Member as of 7/22</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Mike Dishberger</PersonNm>
        <TitleTxt>Board Member</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Jeff Dudderar</PersonNm>
        <TitleTxt>Board Member thru 6/22</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Robert Edwards</PersonNm>
        <TitleTxt>Board Member thru 6/22</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Kerry Galvin</PersonNm>
        <TitleTxt>Board Member</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Amy Garrou</PersonNm>
        <TitleTxt>Board Member thru 6/22</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Eureka Gilkey</PersonNm>
        <TitleTxt>Board Member</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Gillian Hobson</PersonNm>
        <TitleTxt>Board Member</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Tandra Jackson</PersonNm>
        <TitleTxt>Board Member thru 6/22</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Myrtle Jones</PersonNm>
        <TitleTxt>Board Member</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Sanjay Kalavar</PersonNm>
        <TitleTxt>Board Member</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Peggy Kostial</PersonNm>
        <TitleTxt>Board Member</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Jennifer Laporte</PersonNm>
        <TitleTxt>Board Member</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Claire Liu</PersonNm>
        <TitleTxt>Board Member</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Kelley Lubanko</PersonNm>
        <TitleTxt>Board Member</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Clay Neff</PersonNm>
        <TitleTxt>Board Member</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Bryon Pope</PersonNm>
        <TitleTxt>Board Member</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Alie Pruner</PersonNm>
        <TitleTxt>Board Member</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Ron Rand</PersonNm>
        <TitleTxt>Board Member</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Tim Roberts</PersonNm>
        <TitleTxt>Board Member</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Bas Solleveld</PersonNm>
        <TitleTxt>Board Member</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Macey Stokes</PersonNm>
        <TitleTxt>Board Member</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Cynthia Walker</PersonNm>
        <TitleTxt>Board Member</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Keli Weinzierl</PersonNm>
        <TitleTxt>Board Member as of 7/22</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Bill Barnett</PersonNm>
        <TitleTxt>Member Emeritus</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Anne Duncan</PersonNm>
        <TitleTxt>Member Emeritus</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Robert Graham</PersonNm>
        <TitleTxt>Member Emeritus</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Randa Duncan Williams</PersonNm>
        <TitleTxt>Member Emeritus</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Austin Young</PersonNm>
        <TitleTxt>Member Emeritus</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Lee Ehmke</PersonNm>
        <TitleTxt>President &amp; CEO</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>585301</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>20417</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Sheryl Kolasinski</PersonNm>
        <TitleTxt>COO</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>312955</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>19024</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Jeri Nordbrock</PersonNm>
        <TitleTxt>CFO</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>277276</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>19120</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Roberto Espinosa</PersonNm>
        <TitleTxt>VP Development</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>253157</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>27823</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Kristin Finney</PersonNm>
        <TitleTxt>VP Human Resources</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>220601</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>21376</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Trazanna Moreno</PersonNm>
        <TitleTxt>VP Marketing and Communications</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>216495</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>19761</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Mark Van Winkler</PersonNm>
        <TitleTxt>Exhibit Design Director</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>200458</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>15286</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Peter Riger</PersonNm>
        <TitleTxt>VP Conservation and Education</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>195017</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>17069</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Conor Lalor</PersonNm>
        <TitleTxt>Exhibit Artist</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>184310</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>25553</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <TotalReportableCompFromOrgAmt>2445570</TotalReportableCompFromOrgAmt>
      <TotReportableCompRltdOrgAmt>0</TotReportableCompRltdOrgAmt>
      <TotalOtherCompensationAmt>185429</TotalOtherCompensationAmt>
      <IndivRcvdGreaterThan100KCnt>23</IndivRcvdGreaterThan100KCnt>
      <FormerOfcrEmployeesListedInd>0</FormerOfcrEmployeesListedInd>
      <TotalCompGreaterThan150KInd>1</TotalCompGreaterThan150KInd>
      <CompensationFromOtherSrcsInd>0</CompensationFromOtherSrcsInd>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>Tellepsen Builders</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>777 Benmar 400</AddressLine1Txt>
            <CityNm>Houston</CityNm>
            <StateAbbreviationCd>TX</StateAbbreviationCd>
            <ZIPCd>77060</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>Construction</ServicesDesc>
        <CompensationAmt>21460204</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>SSA Group LLC</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>4624 Central Park Blvd</AddressLine1Txt>
            <CityNm>Denver</CityNm>
            <StateAbbreviationCd>CO</StateAbbreviationCd>
            <ZIPCd>80238</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>Food Services</ServicesDesc>
        <CompensationAmt>3403858</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>O'Donnell Snider Construction LLC</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>1900 West Loop S 500</AddressLine1Txt>
            <CityNm>Houston</CityNm>
            <StateAbbreviationCd>TX</StateAbbreviationCd>
            <ZIPCd>77027</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>Construction</ServicesDesc>
        <CompensationAmt>3053114</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>Bright Lights of Houston</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>12407 Sowden Rd</AddressLine1Txt>
            <CityNm>Houston</CityNm>
            <StateAbbreviationCd>TX</StateAbbreviationCd>
            <ZIPCd>77080</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>Lighting</ServicesDesc>
        <CompensationAmt>1448098</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>Brave Architecture</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>4200 Montrose Blvd 400</AddressLine1Txt>
            <CityNm>Houston</CityNm>
            <StateAbbreviationCd>TX</StateAbbreviationCd>
            <ZIPCd>77006</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>Architect</ServicesDesc>
        <CompensationAmt>1397852</CompensationAmt>
      </ContractorCompensationGrp>
      <CntrctRcvdGreaterThan100KCnt>36</CntrctRcvdGreaterThan100KCnt>
      <MembershipDuesAmt>7964436</MembershipDuesAmt>
      <FundraisingAmt>1976008</FundraisingAmt>
      <GovernmentGrantsAmt>690465</GovernmentGrantsAmt>
      <AllOtherContributionsAmt>12891283</AllOtherContributionsAmt>
      <NoncashContributionsAmt>564649</NoncashContributionsAmt>
      <TotalContributionsAmt>23522192</TotalContributionsAmt>
      <ProgramServiceRevenueGrp>
        <Desc>Admission fees</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>18878180</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>18878180</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>City management fee</Desc>
        <BusinessCd>561499</BusinessCd>
        <TotalRevenueColumnAmt>10774747</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>10774747</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>Educ. progr. &amp; events</Desc>
        <BusinessCd>611600</BusinessCd>
        <TotalRevenueColumnAmt>8817261</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>8817261</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>Concessions</Desc>
        <BusinessCd>722210</BusinessCd>
        <TotalRevenueColumnAmt>5192778</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>5192778</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <TotalProgramServiceRevenueAmt>43662966</TotalProgramServiceRevenueAmt>
      <InvestmentIncomeGrp>
        <TotalRevenueColumnAmt>879769</TotalRevenueColumnAmt>
        <UnrelatedBusinessRevenueAmt>5183</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>874586</ExclusionAmt>
      </InvestmentIncomeGrp>
      <GrossAmountSalesAssetsGrp>
        <SecuritiesAmt>13329731</SecuritiesAmt>
        <OtherAmt>11044</OtherAmt>
      </GrossAmountSalesAssetsGrp>
      <LessCostOthBasisSalesExpnssGrp>
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        <OtherAmt>0</OtherAmt>
      </LessCostOthBasisSalesExpnssGrp>
      <GainOrLossGrp>
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      <NetGainOrLossInvestmentsGrp>
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        <ExclusionAmt>152317</ExclusionAmt>
      </NetGainOrLossInvestmentsGrp>
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      <ContriRptFundraisingEventAmt>1976008</ContriRptFundraisingEventAmt>
      <FundraisingDirectExpensesAmt>512652</FundraisingDirectExpensesAmt>
      <NetIncmFromFundraisingEvtGrp>
        <TotalRevenueColumnAmt>-55944</TotalRevenueColumnAmt>
        <ExclusionAmt>-55944</ExclusionAmt>
      </NetIncmFromFundraisingEvtGrp>
      <TotalRevenueGrp>
        <TotalRevenueColumnAmt>68161300</TotalRevenueColumnAmt>
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        <UnrelatedBusinessRevenueAmt>5183</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>970959</ExclusionAmt>
      </TotalRevenueGrp>
      <GrantsToDomesticOrgsGrp>
        <TotalAmt>1333254</TotalAmt>
        <ProgramServicesAmt>1333254</ProgramServicesAmt>
      </GrantsToDomesticOrgsGrp>
      <GrantsToDomesticIndividualsGrp>
        <TotalAmt>8960</TotalAmt>
        <ProgramServicesAmt>8960</ProgramServicesAmt>
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      <ForeignGrantsGrp>
        <TotalAmt>1655606</TotalAmt>
        <ProgramServicesAmt>1655606</ProgramServicesAmt>
      </ForeignGrantsGrp>
      <CompCurrentOfcrDirectorsGrp>
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        <ProgramServicesAmt>654230</ProgramServicesAmt>
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      <OtherSalariesAndWagesGrp>
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        <ProgramServicesAmt>17628159</ProgramServicesAmt>
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      <PensionPlanContributionsGrp>
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        <ProgramServicesAmt>570801</ProgramServicesAmt>
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      <OtherEmployeeBenefitsGrp>
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        <ProgramServicesAmt>1899612</ProgramServicesAmt>
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      <PayrollTaxesGrp>
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      </PayrollTaxesGrp>
      <FeesForServicesLegalGrp>
        <TotalAmt>2956</TotalAmt>
        <ManagementAndGeneralAmt>2956</ManagementAndGeneralAmt>
      </FeesForServicesLegalGrp>
      <FeesForServicesAccountingGrp>
        <TotalAmt>43830</TotalAmt>
        <ManagementAndGeneralAmt>43830</ManagementAndGeneralAmt>
      </FeesForServicesAccountingGrp>
      <FeesForServicesProfFundraising>
        <TotalAmt>139500</TotalAmt>
        <FundraisingAmt>139500</FundraisingAmt>
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      <FeesForSrvcInvstMgmntFeesGrp>
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        <ManagementAndGeneralAmt>227055</ManagementAndGeneralAmt>
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        <FundraisingAmt>228516</FundraisingAmt>
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      <InformationTechnologyGrp>
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        <ProgramServicesAmt>695982</ProgramServicesAmt>
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        <FundraisingAmt>20097</FundraisingAmt>
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      <ConferencesMeetingsGrp>
        <TotalAmt>517355</TotalAmt>
        <ProgramServicesAmt>213021</ProgramServicesAmt>
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        <FundraisingAmt>259946</FundraisingAmt>
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      <InterestGrp>
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        <ProgramServicesAmt>117417</ProgramServicesAmt>
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        <FundraisingAmt>7558</FundraisingAmt>
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      <DepreciationDepletionGrp>
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        <ProgramServicesAmt>9074653</ProgramServicesAmt>
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      <InsuranceGrp>
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        <FundraisingAmt>25495</FundraisingAmt>
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      <OtherExpensesGrp>
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        <ProgramServicesAmt>541898</ProgramServicesAmt>
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      <OtherExpensesGrp>
        <Desc>Equipment expense</Desc>
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        <ProgramServicesAmt>469973</ProgramServicesAmt>
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        <FundraisingAmt>3158</FundraisingAmt>
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      <OtherExpensesGrp>
        <Desc>Printing &amp; publications</Desc>
        <TotalAmt>462528</TotalAmt>
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        <FundraisingAmt>214999</FundraisingAmt>
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      <TotalFunctionalExpensesGrp>
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      <CashNonInterestBearingGrp>
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        <EOYAmt>16565140</EOYAmt>
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        <EOYAmt>1600469</EOYAmt>
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      <PledgesAndGrantsReceivableGrp>
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        <EOYAmt>50947459</EOYAmt>
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      <AccountsReceivableGrp>
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        <EOYAmt>98304</EOYAmt>
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      <PrepaidExpensesDefrdChargesGrp>
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        <EOYAmt>215464811</EOYAmt>
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      <OtherAssetsTotalGrp>
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      <TotalAssetsGrp>
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      <TotalLiabilitiesGrp>
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      <TotLiabNetAssetsFundBalanceGrp>
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      <InfoInScheduleOPartXIInd>X</InfoInScheduleOPartXIInd>
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      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
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          <ZIPCode>RESTRICTED</ZIPCode>
        </ContributorUSAddress>
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      <CYMinus4YrEndwmtFundGrp>
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        <Desc>Lease payable</Desc>
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      <TotalLiabilityAmt>479511</TotalLiabilityAmt>
      <TotalRevEtcAuditedFinclStmtAmt>59832440</TotalRevEtcAuditedFinclStmtAmt>
      <NetUnrealizedGainsInvstAmt>-8101805</NetUnrealizedGainsInvstAmt>
      <RevenueNotReportedAmt>-8101805</RevenueNotReportedAmt>
      <RevenueSubtotalAmt>67934245</RevenueSubtotalAmt>
      <InvestmentExpensesNotIncldAmt>227055</InvestmentExpensesNotIncldAmt>
      <RevenueNotReportedFinclStmtAmt>227055</RevenueNotReportedFinclStmtAmt>
      <TotalRevenuePerForm990Amt>68161300</TotalRevenuePerForm990Amt>
      <TotExpnsEtcAuditedFinclStmtAmt>53992024</TotExpnsEtcAuditedFinclStmtAmt>
      <ExpensesNotReportedAmt>0</ExpensesNotReportedAmt>
      <ExpensesSubtotalAmt>53992024</ExpensesSubtotalAmt>
      <InvestmentExpensesNotIncld2Amt>227055</InvestmentExpensesNotIncld2Amt>
      <ExpensesNotRptFinclStmtAmt>227055</ExpensesNotRptFinclStmtAmt>
      <TotalExpensesPerForm990Amt>54219079</TotalExpensesPerForm990Amt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part III, Line 1a:</FormAndLineReferenceDesc>
        <ExplanationTxt>In accordance with industry practice, the Houston Zoo does not capitalize animal and horticultural collections; acquisitions are reported as expenditures in the period of acquisition. The Houston Zoo is responsible for the health and welfare of its animal and horticultural collections. The Houston Zoo maintains records of its collections and any exchanges with other organizations. Under the direction of the Board of Directors, the President, and the curatorial staff, collections continue to be cared for, used, and expanded. In 2022 and 2021, the Houston Zoo expended approximately $153,000 and $43,000, respectively, to expand its collections. In an ongoing commitment to enhance worldwide reproduction and conservation of animals, the Houston Zoo exchanges animals with zoos and aquariums accredited by the AZA. Consistent with industry practice, the Houston Zoo does not record any liability for such exchange arrangements as generally these arrangements are without monetary consideration.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part III, Line 4:</FormAndLineReferenceDesc>
        <ExplanationTxt>The Houston Zoo is a conservation, education, and recreation organization dedicated to the reproduction, protection, and exhibition of animals in their habitats. The Houston Zoo provides a fun, unique and inspirational experience fostering appreciation, knowledge, and care for the natural world.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part V, Line 4:</FormAndLineReferenceDesc>
        <ExplanationTxt>The purpose of the endowment fund is to provide ongoing support for operating needs and program services that are consistent with the Houston Zoo's mission, and to provide for growth and expansion of programs and/or creation of new programs.</ExplanationTxt>
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    </IRS990ScheduleD>
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      <AccountActivitiesOutsideUSGrp>
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        <EmployeeCnt>0</EmployeeCnt>
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      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>Sub-Saharan Africa</RegionTxt>
        <OfficesCnt>0</OfficesCnt>
        <EmployeeCnt>0</EmployeeCnt>
        <TypeOfActivitiesConductedTxt>Program</TypeOfActivitiesConductedTxt>
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      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>South America</RegionTxt>
        <OfficesCnt>0</OfficesCnt>
        <EmployeeCnt>0</EmployeeCnt>
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        <SpecificServicesProvidedTxt>Conservation</SpecificServicesProvidedTxt>
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      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>Russia and Neighboring States</RegionTxt>
        <OfficesCnt>0</OfficesCnt>
        <EmployeeCnt>0</EmployeeCnt>
        <TypeOfActivitiesConductedTxt>Grantmaking</TypeOfActivitiesConductedTxt>
        <RegionTotalExpendituresAmt>5616</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <SubtotalOfficesCnt>0</SubtotalOfficesCnt>
      <SubtotalEmployeesCnt>0</SubtotalEmployeesCnt>
      <ContinuationTotalOfficeCnt>0</ContinuationTotalOfficeCnt>
      <ContinuationTotalEmployeeCnt>0</ContinuationTotalEmployeeCnt>
      <TotalOfficeCnt>0</TotalOfficeCnt>
      <TotalEmployeeCnt>0</TotalEmployeeCnt>
      <SubtotalSpentAmt>1655606</SubtotalSpentAmt>
      <ContinuationSpentAmt>0</ContinuationSpentAmt>
      <TotalSpentAmt>1655606</TotalSpentAmt>
      <GrantsToOrgOutsideUSGrp>
        <RegionTxt>Sub-Saharan Africa</RegionTxt>
        <PurposeOfGrantTxt>Heritage-Turambe operating support</PurposeOfGrantTxt>
        <CashGrantAmt>61000</CashGrantAmt>
        <MannerOfCashDisbursementTxt>Wire</MannerOfCashDisbursementTxt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
      </GrantsToOrgOutsideUSGrp>
      <GrantsToOrgOutsideUSGrp>
        <RegionTxt>Sub-Saharan Africa</RegionTxt>
        <PurposeOfGrantTxt>Lemur Conservation, Community health program</PurposeOfGrantTxt>
        <CashGrantAmt>100000</CashGrantAmt>
        <MannerOfCashDisbursementTxt>Wire</MannerOfCashDisbursementTxt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
      </GrantsToOrgOutsideUSGrp>
      <GrantsToOrgOutsideUSGrp>
        <RegionTxt>Sub-Saharan Africa</RegionTxt>
        <PurposeOfGrantTxt>Hirola, Giraffe conservation progam</PurposeOfGrantTxt>
        <CashGrantAmt>130235</CashGrantAmt>
        <MannerOfCashDisbursementTxt>Wire</MannerOfCashDisbursementTxt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
      </GrantsToOrgOutsideUSGrp>
      <GrantsToOrgOutsideUSGrp>
        <RegionTxt>Sub-Saharan Africa</RegionTxt>
        <PurposeOfGrantTxt>IRDNC Rhino Rangers, Community development program</PurposeOfGrantTxt>
        <CashGrantAmt>50000</CashGrantAmt>
        <MannerOfCashDisbursementTxt>Wire</MannerOfCashDisbursementTxt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
      </GrantsToOrgOutsideUSGrp>
      <GrantsToOrgOutsideUSGrp>
        <RegionTxt>Sub-Saharan Africa</RegionTxt>
        <PurposeOfGrantTxt>Grey Crowned Crane support, Mobile veterinary clinic</PurposeOfGrantTxt>
        <CashGrantAmt>250000</CashGrantAmt>
        <MannerOfCashDisbursementTxt>Wire</MannerOfCashDisbursementTxt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
      </GrantsToOrgOutsideUSGrp>
      <GrantsToOrgOutsideUSGrp>
        <RegionTxt>Sub-Saharan Africa</RegionTxt>
        <PurposeOfGrantTxt>Niassa Lion program</PurposeOfGrantTxt>
        <CashGrantAmt>464936</CashGrantAmt>
        <MannerOfCashDisbursementTxt>Wire</MannerOfCashDisbursementTxt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
      </GrantsToOrgOutsideUSGrp>
      <GrantsToOrgOutsideUSGrp>
        <RegionTxt>Sub-Saharan Africa</RegionTxt>
        <PurposeOfGrantTxt>Ewaso Lion program</PurposeOfGrantTxt>
        <CashGrantAmt>112500</CashGrantAmt>
        <MannerOfCashDisbursementTxt>Wire</MannerOfCashDisbursementTxt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
      </GrantsToOrgOutsideUSGrp>
      <GrantsToOrgOutsideUSGrp>
        <RegionTxt>Russia and Neighboring States</RegionTxt>
        <PurposeOfGrantTxt>Ukraine Zoo support</PurposeOfGrantTxt>
        <CashGrantAmt>5616</CashGrantAmt>
        <MannerOfCashDisbursementTxt>Credit Card</MannerOfCashDisbursementTxt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
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      <GrantsToOrgOutsideUSGrp>
        <RegionTxt>East Asia and the Pacific</RegionTxt>
        <PurposeOfGrantTxt>Pangolin conservation program</PurposeOfGrantTxt>
        <CashGrantAmt>10000</CashGrantAmt>
        <MannerOfCashDisbursementTxt>Wire</MannerOfCashDisbursementTxt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
      </GrantsToOrgOutsideUSGrp>
      <GrantsToOrgOutsideUSGrp>
        <RegionTxt>East Asia and the Pacific</RegionTxt>
        <PurposeOfGrantTxt>HUTAN Kinabatangan Orangutan program</PurposeOfGrantTxt>
        <CashGrantAmt>90000</CashGrantAmt>
        <MannerOfCashDisbursementTxt>Wire</MannerOfCashDisbursementTxt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
      </GrantsToOrgOutsideUSGrp>
      <GrantsToOrgOutsideUSGrp>
        <RegionTxt>East Asia and the Pacific</RegionTxt>
        <PurposeOfGrantTxt>Painted Terrapin project</PurposeOfGrantTxt>
        <CashGrantAmt>25000</CashGrantAmt>
        <MannerOfCashDisbursementTxt>Wire</MannerOfCashDisbursementTxt>
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      </GrantsToOrgOutsideUSGrp>
      <GrantsToOrgOutsideUSGrp>
        <RegionTxt>South America</RegionTxt>
        <PurposeOfGrantTxt>Galapagos Tortoise Movement Ecology Program</PurposeOfGrantTxt>
        <CashGrantAmt>50000</CashGrantAmt>
        <MannerOfCashDisbursementTxt>Wire</MannerOfCashDisbursementTxt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
      </GrantsToOrgOutsideUSGrp>
      <GrantsToOrgOutsideUSGrp>
        <RegionTxt>South America</RegionTxt>
        <PurposeOfGrantTxt>Pantanal Giant Otter program</PurposeOfGrantTxt>
        <CashGrantAmt>40000</CashGrantAmt>
        <MannerOfCashDisbursementTxt>Wire</MannerOfCashDisbursementTxt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
      </GrantsToOrgOutsideUSGrp>
      <GrantsToOrgOutsideUSGrp>
        <RegionTxt>South America</RegionTxt>
        <PurposeOfGrantTxt>Giant Armadillo, Anteater programs</PurposeOfGrantTxt>
        <CashGrantAmt>42040</CashGrantAmt>
        <MannerOfCashDisbursementTxt>Wire</MannerOfCashDisbursementTxt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
      </GrantsToOrgOutsideUSGrp>
      <GrantsToOrgOutsideUSGrp>
        <RegionTxt>South America</RegionTxt>
        <PurposeOfGrantTxt>Lowland Tapir conservation program</PurposeOfGrantTxt>
        <CashGrantAmt>35000</CashGrantAmt>
        <MannerOfCashDisbursementTxt>Wire</MannerOfCashDisbursementTxt>
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      <GrantsToOrgOutsideUSGrp>
        <RegionTxt>South America</RegionTxt>
        <PurposeOfGrantTxt>Giant Anteater program, Highways project</PurposeOfGrantTxt>
        <CashGrantAmt>13500</CashGrantAmt>
        <MannerOfCashDisbursementTxt>Wire</MannerOfCashDisbursementTxt>
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      <GrantsToOrgOutsideUSGrp>
        <RegionTxt>South America</RegionTxt>
        <PurposeOfGrantTxt>Penguin nesting site maintenance</PurposeOfGrantTxt>
        <CashGrantAmt>14300</CashGrantAmt>
        <MannerOfCashDisbursementTxt>Wire</MannerOfCashDisbursementTxt>
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      </GrantsToOrgOutsideUSGrp>
      <GrantsToOrgOutsideUSGrp>
        <RegionTxt>South America</RegionTxt>
        <PurposeOfGrantTxt>Cotton-top Tamarin conservation program</PurposeOfGrantTxt>
        <CashGrantAmt>20000</CashGrantAmt>
        <MannerOfCashDisbursementTxt>Wire</MannerOfCashDisbursementTxt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
      </GrantsToOrgOutsideUSGrp>
      <Total501c3OrgCnt>18</Total501c3OrgCnt>
      <ForeignIndividualsGrantsGrp>
        <TypeOfAssistanceTxt>Conservation support</TypeOfAssistanceTxt>
        <RegionTxt>East Asia and the Pacific</RegionTxt>
        <RecipientCnt>2</RecipientCnt>
        <CashGrantAmt>62000</CashGrantAmt>
        <MannerOfCashDisbursementTxt>Wire transfer</MannerOfCashDisbursementTxt>
      </ForeignIndividualsGrantsGrp>
      <ForeignIndividualsGrantsGrp>
        <TypeOfAssistanceTxt>Conservation support</TypeOfAssistanceTxt>
        <RegionTxt>Sub-Saharan Africa</RegionTxt>
        <RecipientCnt>1</RecipientCnt>
        <CashGrantAmt>79479</CashGrantAmt>
        <MannerOfCashDisbursementTxt>Wire transfer</MannerOfCashDisbursementTxt>
      </ForeignIndividualsGrantsGrp>
      <TransferToForeignCorpInd>1</TransferToForeignCorpInd>
      <InterestInForeignTrustInd>0</InterestInForeignTrustInd>
      <ForeignCorpOwnershipInd>0</ForeignCorpOwnershipInd>
      <PassiveForeignInvestmestCoInd>0</PassiveForeignInvestmestCoInd>
      <ForeignPartnershipInd>0</ForeignPartnershipInd>
      <BoycottCountriesInd>0</BoycottCountriesInd>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part I, Line 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>The Houston Zoo's selection standards for awarding grants are based on its mission statement goals and long term development of regional programs. We do not solicit proposals nor do we have a formal process for receiving and evaluating grant requests. Instead we actively seek out projects that fit the guidelines of the Zoo's Wildlife Conservation Program (see Part III, Line 4b). We then meet with the researchers to see how well they fit with our Zoo. We do not spend much money up front until we are satisfied that the researchers will communicate and interact with the Zoo (web, media, reports, speaker requests, articles, etc.), and their research program is sustainable over the next 1-3 years that we intend to partner with them. We monitor their progress through periodic site visits where practicable and request that they provide periodic reports of activities.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part I, line 3:</FormAndLineReferenceDesc>
        <ExplanationTxt>The expenses reflected on Schedule F are reported using the accrual method of accounting.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part III Accounting Method:</FormAndLineReferenceDesc>
      </SupplementalInformationDetail>
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      <EmailSolicitationsInd>X</EmailSolicitationsInd>
      <PhoneSolicitationsInd>X</PhoneSolicitationsInd>
      <InPersonSolicitationsInd>X</InPersonSolicitationsInd>
      <SolicitationOfNonGovtGrantsInd>X</SolicitationOfNonGovtGrantsInd>
      <SolicitationOfGovtGrantsInd>X</SolicitationOfGovtGrantsInd>
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      <AgrmtProfFundraisingActyInd>1</AgrmtProfFundraisingActyInd>
      <FundraiserActivityInfoGrp>
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          <BusinessNameLine1Txt>Sterling Associates</BusinessNameLine1Txt>
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          <AddressLine1Txt>55 Waugh Dr 601</AddressLine1Txt>
          <CityNm>Houston</CityNm>
          <StateAbbreviationCd>TX</StateAbbreviationCd>
          <ZIPCd>77007</ZIPCd>
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        <ActivityTxt>Centennial campaign</ActivityTxt>
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        <GrossReceiptsAmt>6900540</GrossReceiptsAmt>
        <RetainedByContractorAmt>139500</RetainedByContractorAmt>
        <NetToOrganizationAmt>6761040</NetToOrganizationAmt>
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      <FundraisingEventInformationGrp>
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        <GrossRevenueEvent1Amt>456708</GrossRevenueEvent1Amt>
        <FoodAndBeverageEvent1Amt>138824</FoodAndBeverageEvent1Amt>
        <EntertainmentEvent1Amt>57928</EntertainmentEvent1Amt>
        <OtherDirectExpensesEvent1Amt>315900</OtherDirectExpensesEvent1Amt>
        <GrossReceiptsTotalAmt>2432716</GrossReceiptsTotalAmt>
        <CharitableContributionsTotAmt>1976008</CharitableContributionsTotAmt>
        <GrossRevenueTotalEventsAmt>456708</GrossRevenueTotalEventsAmt>
        <FoodAndBeverageTotalEventsAmt>138824</FoodAndBeverageTotalEventsAmt>
        <EntertainmentTotalEventsAmt>57928</EntertainmentTotalEventsAmt>
        <OthDirectExpnssTotalEventsAmt>315900</OthDirectExpnssTotalEventsAmt>
        <DirectExpenseSummaryEventsAmt>512652</DirectExpenseSummaryEventsAmt>
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          <AddressLine1Txt>8403 Colesville Rd Ste 710</AddressLine1Txt>
          <CityNm>Silver Spring</CityNm>
          <StateAbbreviationCd>MD</StateAbbreviationCd>
          <ZIPCd>20910</ZIPCd>
        </USAddress>
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        <PurposeOfGrantTxt>Employee Relief Fund</PurposeOfGrantTxt>
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      <RecipientTable>
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          <CityNm>Dallas</CityNm>
          <StateAbbreviationCd>TX</StateAbbreviationCd>
          <ZIPCd>75303</ZIPCd>
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        <PurposeOfGrantTxt>EEHV Research Project</PurposeOfGrantTxt>
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      <RecipientTable>
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          <BusinessNameLine1Txt>Global Conservation Network</BusinessNameLine1Txt>
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          <AddressLine1Txt>12101 Johnny Cake Ridge Rd</AddressLine1Txt>
          <CityNm>Apple Valley</CityNm>
          <StateAbbreviationCd>MN</StateAbbreviationCd>
          <ZIPCd>55124</ZIPCd>
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        <PurposeOfGrantTxt>Operating Support</PurposeOfGrantTxt>
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      <RecipientTable>
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          <BusinessNameLine1Txt>Dian Fossey Gorilla Fund Int'l</BusinessNameLine1Txt>
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          <CityNm>Atlanta</CityNm>
          <StateAbbreviationCd>GA</StateAbbreviationCd>
          <ZIPCd>30315</ZIPCd>
        </USAddress>
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      <Form8283ReceivedCnt>0</Form8283ReceivedCnt>
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      <ReviewProcessUnusualNCGiftsInd>1</ReviewProcessUnusualNCGiftsInd>
      <ThirdPartiesUsedInd>0</ThirdPartiesUsedInd>
    </IRS990ScheduleM>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section A, line 7a</FormAndLineReferenceDesc>
        <ExplanationTxt>Per the corporate documents, the Mayor of the City of Houston has the power to appoint 20% of the Board of Directors.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, line 11b</FormAndLineReferenceDesc>
        <ExplanationTxt>Form 990 is reviewed by the CEO and the CFO. Once reviewed internally, the Form is reviewed and approved by the Audit Committee. A copy of the Form is provided to each Board member prior to filing with the IRS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, line 12c</FormAndLineReferenceDesc>
        <ExplanationTxt>The Zoo's Board of Directors has a conflict of interest policy to ensure that both the Zoo and its directors and officers are protected from concerns of conflict of interest. The policy asks the directors and officers to disclose their relationship with other organizations or people that might give rise to a situation in which the officer or director would be subject to criticism for a conflict. Each year the Zoo asks its directors and officers to complete and file a form with the Zoo to meet this requirement. The Audit Committee Chair is responsible for the oversight process and the Board Chair is responsible for addressing any conflicts that may be disclosed in the process.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, line 15</FormAndLineReferenceDesc>
        <ExplanationTxt>The compensation of the President/CEO is determined by the Compensation Committee of the Board of Directors. The Committee reviews both comparable salaries for similar positions listed on other organizations' Form 990s as well as comparable position salaries in the American Zoological Association Salary Survey. This process is followed for other officers and key employees as well.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section C, line 19</FormAndLineReferenceDesc>
        <ExplanationTxt>These documents are provided upon request.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part XI, line 9:</FormAndLineReferenceDesc>
        <ExplanationTxt>Change in value of derivative agreement 4,207,189. Cumulative effect of new lease accounting standard -62,505.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>
