Orangutan with hands on head

1280 × 800

Proboscis monkeys in the wild

800 × 600

Tarsier on a tree branch

1600 × 1200

Tarsier on a tree branch

1024 × 768

Three tarsiers on a branch

1900 × 1499

Tarsier on a tree branch

2268 × 1701

Tarsier on a tree branch

1920 × 1200

Squirrel monkey in forest

1280 × 1024

Baby monkey on a branch

1024 × 768

chimpanzee holding a leaf

1024 × 768

Tarsier holding a branch

2560 × 1600

Tarsier on a tree branch

1920 × 1200

Black-and-white lemur eating leaves

1600 × 1067

Chimpanzee resting in a tree

1600 × 1200

Baby monkey on a branch

1920 × 1080

White-faced saki monkey

1920 × 1200

Tarsier on a tree branch

2560 × 1600

Orangutans in the forest

1400 × 1050

Orangutan mother and baby

899 × 674

Close-up of an orangutan

1400 × 1096