Proboscis monkey

May 25, 2024

Recent study revealed that Male proboscis monkeys' enhanced noses evolved to attract mates.

About Proboscis monkey:

  • It is a medium-sized arboreal primate that is found exclusively in the rainforests of Borneo.
  • Appearance: The male Proboscis Monkey is not only one of the largest monkeys in Asia but they are also one of the world’s most distinctive mammals, having a long and fleshy nose and a large, swollen stomach.
  • Habitat: They live in coastal mangroves, peat swamps and riverine forests and have an unusual diet made up mostly of leaves.
  • Characteristics
    • It can swim quite well and have webbed fingers and toes. It typically live in harem groups, made up of a single adult male some adult females and their offspring.
    • Males don’t often get the opportunity to attract a harem until they reach middle age. 
    • It is a diurnal, meaning they are active during the day, and they rely on vocalizations, such as honks and roars, for communication within their dense forest homes.
  • Threats: The rampant clearing of the region’s rain forests for timber, settlement and oil palm plantations has depleted huge tracts of their habitat.
  • Conservation status
    • IUCN: Endangered
    • CITES: Appendix I