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Proboscis Monkey - asia-and-australasia

Proboscis Monkey

New12.5cm x 4.8cm
Fun Facts:
  • Further adding to the dimorphism is the large nose or proboscis of the male, which can exceed 10.2 cm (4.0 in) in length, and hangs lower than the mouth. Theories for the extensive length of their nose suggest it may be sexual selection by the females, who prefer louder vocalisations, with the size of the nose increasing the volume of the call.