Pueblo Zoo is a 25-acre zoo located in Pueblo, Colorado. The zoo is open year-round and is home to over 420 animals of more than 140 species. The Pueblo Zoological Society manages the zoo, which is accredited by the Association of Zoos and Aquariums (AZA). Wikipedia Accredited by Association of Zoos and Aquariums (AZA) Nonprofit 501(c)(3) organization / Pueblo Zoological Society / EIN: 84-0723360