MNN Galleries

13 of the ugliest animals on the planet

By: Bryan Nelson on Sept. 3, 2010, 12:10 p.m.
Proboscis monkey

Photo: Wiki Commons/CC License

5 of 15

Proboscis monkey

A human might run for cover with this nose, but for the proboscis monkey, the bigger the nose the better! It turns out that nothing turns on a female proboscis monkey more than a big, bulbous schnoz.

The big noses also help the monkeys to make loud, resonating warning calls.