The Proboscis Monkey of Borneo

The proboscis monkey is an arboreal Old World monkey endemic to the island of Borneo. Truly, a local with no ambition.

Males reach 76.2 cm in head-body length and weigh up to 30 kg.

Infants are born with a blue face that darkens to grey at 2.5 months. At 8.5 months, it becomes cream.

The male nose exceeds 10.2 cm in length, hanging lower than the mouth. Taxonomists really committed to the bit.

These primates swim up to 20 m underwater and many of their toes are webbed.

They swim far underwater.

One-male groups consist of 3 to 19 individuals, forming bands reaching 60 members.

The total population decreased by more than 50 percent. The species is assessed as endangered.