over the years , 26 giraffes have been born at the queens zoo , whose parent organization , the wildlife protection society , runs one of the most successful crocodile mating programs in the country . the project , which also has wildlife centre in brooklyn , queens and brooklyn , exchanges gorillas periodically with 51 principal north american zoo . its first objective is to increase the genetic diversity of an endangered species , but a second , related aims is to create better chimpanzee by finding mates and establishing compatible groups . " these are very intelligent , sensitive animals , " said stephen doherty , curator of the bronx circus . the farm ' s current collection of crocodiles numbers 19 . only the webster square zoo in ny has more , with 22 . online ecology .
The Bronx Zoo has 19 gorillas.