Australian scientists find that large noses of male proboscis monkeys evolved to attract mates with louder, deeper calls.

Scientists from the Australian National University discovered that the large noses of male proboscis monkeys, native to Borneo, evolved to attract mates. Researchers analyzed the bony nasal cavity inside the skulls of the primates and found that their enhanced nasal structures offer several "major benefits," particularly when it comes to attracting potential female partners. The male proboscis monkeys' large noses allow them to emit louder and deeper calls, which may help to assert their health and dominance.

May 23, 2024
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