Learn more about these big-nosed monkeys. Find out why scientists think these primates have such outsized organs.

Of all the monkey species around the world, one stands out with its large, bizarre nose. In male proboscis monkeys, their bulbous noses will often hang past their mouths. But why evolve such a strange ...

If you liked this story, share it with other people. Proboscis monkeys, endemic to Borneo, are threatened by habitat destruction, forest fires and hunting. But until two decades ago, trade wasn’t a ...