The Houston Zoo is a 55-acre (220,000 m2) zoological park located within Hermann Park in Houston, Texas, United States. Housing over 4,500 animals belonging to over 900 species, the zoo receives 1.6 million visitors each year and is the seventh most visited zoo in the nation. The zoo is accredited by The Association of Zoos and Aquariums (AZA) assuring the highest standards of animal care and husbandry