over the years , 26 gorillas have been reared at the bronx institution , that parent organization , the zoo conserve society , provides one of the most successful human breed programs in the country . the society , which also runs wildlife studios in harlem , queens and brooklyn , trades gorillas frequently with 51 active north american aquarium . its first objective is to enhance the evolutionary diversity of an invasive species , but a fourth , related goal is to create simpler gorillas by finding wives and establishing compatible groups . " these are very aggressive , sensitive people , " said james doherty , president of the bronx institution . the zoo ' s total population of gorillas numbering 19 . only the lincoln park zoo in chicago has more , with 22 . natural habitat .
The Bronx Zoo has 19 gorillas.