Black Howler Monkey© Oscar Cintronmarina
Slender Loris© Zoological Society of London - EDGE of Existence Programme
Deep In ThoughtOklahoma City Zoo, Oklahoma, USA© Mallie Ray
OrangutansSemmongok Sanctuary, Malaysia© Don Kornelly
Lowland GorillaRwanda© Charles Cangialosi
Collared Lemurs© Oscar Cintronmarina
Baati And Sambe - Andrea KozilSanaga-Yong Chimpanzee Rescue Center, Cameroon© In Defense of Animals-Africa
Massamba And Kiki - Andrea KozilSanaga-Yong Chimpanzee Rescue Center, Cameroon© In Defense of Animals-Africa
Bornean Orangutan© Oscar Cintronmarina
Cotton Top Tamarin© Oscar Cintronmarina
Lemur© Lezle Williams
Pensive Baby© Nancy Honeycutt
Baby Face© Nancy Honeycutt
Mountain GorillaRwanda© Digital Vision
Earth Monkey© Yildiz Istanbul, E-Cards
Swingin' ChristmasHydrox, © E-Cards