Howler monkeys are relatively small primates known for their incredibly loud, low-frequency roars that sound as if they come from a much larger creature. This is useful in the animal kingdom because ...
Dunn’s team analyzed the biological “budget” of these primates and found a direct negative correlation: males with large ...
If evolution had a sense of humor – its favorite punchline might be the howler monkeys. These tree-top vocalists are nature’s rock stars: dramatic, loud and convinced that volume equals value. They ...
Brown howler monkeys (Alouatta guariba), endemic to the Atlantic Forest in Brazil and Argentina, became one of the 25 most threatened primate species following a yellow fever outbreak in late 2016. In ...
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My quest to find all of Costa Rica’s wild monkeys
When visiting Costa Rica, you're sure to many types of mischievous monkeys. Here is one traveler's monkey-seeking adventure.
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