Tim Laman / Equatorial saki (Pithecia aequatorialis) wearing radio collar, sitting on branch, Tiputini Biodiversity Station, Orellana Province, Ecuador.
01736553
Tim Laman / Equatorial saki (Pithecia aequatorialis) walking along branch, Tiputini Biodiversity Station, Orellana Province, Ecuador.
01739318
Joel Sartore / Photo Ark / Red-backed bearded saki (Chiropotes chiropotes) female sitting and feeding, Omaha's Henry Doorly Zoo and Aquarium, Nebraska. Captive.
01734644
Joel Sartore / Photo Ark / Black bearded saki (Chiropotes satanas) female, portrait, Fundacao Jardim Zoologico de Brasilia, Brazil. Captive. Endangered.
01734643
Joel Sartore / Photo Ark / Black bearded saki (Chiropotes satanas) female, portrait, Fundacao Jardim Zoologico de Brasilia, Brazil. Captive. Endangered.
01734642
Joel Sartore / Photo Ark / Black bearded saki (Chiropotes satanas) female, head portrait, Fundacao Jardim Zoologico de Brasilia, Brazil. Captive. Endangered.
01734640
Joel Sartore / Photo Ark / Miller's saki (Pithecia milleri) head portrait, Cafam Zoo, Colombia. Captive.
01734639
Joel Sartore / Photo Ark / Miller's saki (Pithecia milleri) head portrait, Cafam Zoo, Colombia. Captive.
01734638
Joel Sartore / Photo Ark / Miller's saki (Pithecia milleri) head portrait, Cafam Zoo, Colombia. Captive.
01714438
Joel Sartore / Photo Ark / Red-backed saki monkey (Chiropotes chiropotes) eating and looking around. The animal then leaves the frame. Omaha?s Henry Doorly Zoo and Aquarium, Nebraska, USA. Captive.
01714437
Joel Sartore / Photo Ark / Red-backed saki monkey (Chiropotes chiropotes) eating using its hands. The animal looks around. Omaha?s Henry Doorly Zoo and Aquarium, Nebraska, USA. Captive.
01713988
Maxime Aliaga / Gray's bald-faced saki (Pithecia irrorata) perched on branch. Los Amigos Biological Station, Madre de Dios, Peru.
