{"id":41225,"date":"2024-08-15T13:45:51","date_gmt":"2024-08-15T11:45:51","guid":{"rendered":"http:\/\/fbebf9c5-256c-4835-9dd4-cd60c78cbd50"},"modified":"2024-08-15T14:27:28","modified_gmt":"2024-08-15T12:27:28","slug":"why-are-uakari-monkeys-so-bald-and-pink","status":"publish","type":"rss_feed","link":"https:\/\/c01.purpledshub.com\/bbcwildlife\/rss_feed\/why-are-uakari-monkeys-so-bald-and-pink\/","title":{"rendered":"Why are uakari monkeys so bald and pink?"},"content":{"rendered":"

Stuart Blackman looks at the science behind the uakari monkeys’ red face <\/p>

By <\/p>

Published: Thursday, 15 August 2024 at 11:45 AM<\/p>

\n\n

If a human had a face as red as that of a bald uakari monkey, it might raise concerns about blood pressure – or sunburn. For a uakari, though, it is probably a sign of good health.<\/strong><\/p>

Why are uakari monkeys so bald and pink?<\/h2>
The uakari monkey\u2019s facial skin has a particularly thin outer layer, which lacks pigmentation, making the underlying blood vessels more visible. The colour is augmented by the blood vessels being thicker and more convoluted than in other monkeys.<\/p>
Do animals blush?<\/a><\/li><\/ul>
The effect is most pronounced in male uakaris, which also possess large temporal muscles that reinforce the overall effect by making their faces bigger.<\/p>
Facial redness is thought to be an indicator of a male\u2019s health, which is assessed by females choosing between potential mates.<\/p>
Bald uakaris are particularly susceptible to two blood-borne parasites<\/a>, and it may be that the redder a male\u2019s face, the fewer parasites he harbours. <\/p>
Why do howler monkeys scream? The secrets behind the loudest monkey in the world’s deafening howl<\/a><\/li>
What are the smallest monkeys and primates in the world? Meet the tiny creatures of the monkey world<\/a><\/li>
Do monkeys get drunk? Scientists find out the truth<\/a><\/li>
What are Old World Monkeys?<\/a><\/li><\/ul>
Image and video by Getty<\/p> <\/body><\/html>\n
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