Thirteen million years ago, a medium-sized monkey known for guarding its territory among the treetops with a fearsome "howl" started doing something new. This monkey, one of the oldest known ancestors ...
Quiet on the tee? The howler monkeys weren’t having it. Hidden in the canopy above me, the loudest mammals on the planet were holding forth in full-throated violation of golf etiquette: primates with ...
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