Adopt a Gorilla or Golden Lion Tamarin.
Human Origins Program at the Smithsonian's Museum of Natural History.
Two species of lesser apes—four white-cheeked gibbons housed in three groups and a pair of siamangs—live at Gibbon Ridge.
Meet the Gibbons
Six western lowland gorillas—three males, and three females, including a baby born on January 10, 2009—live at the Zoo's Great Ape House.
Meet the Gorillas
The Zoo currently houses four ring-tailed lemurs and two red-fronted brown lemurs at Lemur Island. Two red-ruffed lemurs live in the Small Mammal House.
Meet the Lemurs
Four adult orangutans (three females and one male) and two juveniles (one female and one male) live at the Zoo in the Great Ape House.
Meet the Orangutans
A male and female pair of black howler monkeys occupies an outdoor enclosure behind the Small Mammal House.
Meet the Black Howlers
Fun Facts About Howlers
These primates live in the Small Mammal House.
Geoffroy's tufted-eared marmoset
golden lion tamarin
golden-headed lion tamarin