The Philadelphia Zoo, located in Philadelphia, Pennsylvania is the first true zoo in the United States. It was chartered by the Commonwealth of Pennsylvania on March 21, 1859, but its opening was delayed by the Civil War until July 1, 1874. The zoo is 42 acres and the home of nearly 1,300 animals, many of which are rare and endangered. The Philadelphia Zoo is one of the premier zoos in the world for breeding animals that are difficult to breed in captivity.The zoo also works with many groups around the world to protect the natural habitats of the animals in their care. Wikipedia Accredited by Association of Zoos and Aquariums (AZA) Nonprofit 501(c)(3) organization / Zoological Society Of Philadelphia / EIN: 23-1352298
