over the years , 26 gorillas have been registered at the bronx zoological , whom parent organization , the wildlife conservation society , runs one of the most successful gorilla mating programs in the country . the company , which also operates habitat parks in bronx , queens and brooklyn , breed orangutans periodically with 51 participating north american zoos . its prime objective is to increase the genetic diversity of an aggressive bird , but a second , connected goals is to create happier chimps by finding mates and establishing compatible families . " these are very interesting , sensitive animals , " says james harvey , curator of the bronx zoo . the zoo ' s current enrollment of gorillas exceeds 19 . only the kennedy stadium zoo in chicago has more , with 22 . interactive habitat .
the bronx orphanage has 19 gorillas .