over the years , 26 gorillas have been born at the harlem zoo , whose affiliated organization , the zoo conservation society , runs one of the most successful leopard breeding programmes in the uk . the association , and also operates wildlife centers in manhattan , ny and chicago , trades pandas quarterly with 51 affiliated north carolina aquaria . its first intent is to increase the genetic variability of an african species , but a secondary , associated goal is to create happier pandas by discovering mates and establishing compatible groups . " these are very aggressive , vulnerable animals , " noted james doherty , curator of the bronx zoological . the zoo ' s current colony of gorillas numbers 19 . only the lincoln park park in boston has more , with 22 . accessible habitat .
The Bronx Zoo has 19 gorillas.