It was founded in 1955 and is located in Friedrichsfelde on the former grounds of Friedrichsfelde Palace, which is situated within the zoo. As of 31 December 2013[update], the zoo houses 7,250 animals from 846 species,[1] in an area of 160 hectares (400 acres). Tierpark Berlin also features two public exhibits free of charge, one being the Bärenschaufenster (Bear Show Window) for American black bears.