A genus of howler monkeys found in Central and South America, named for their incredibly loud calls.
From Tupi (indigenous Brazilian language) 'alouatta,' meaning 'howler.' This is one of the few animal names in modern taxonomy borrowed directly from Native American languages rather than Greek or Latin.
Howler monkeys are the loudest land animals for their size—their calls carry up to 3 miles through jungle. They sound like roaring winds, and Indigenous people gave them a name that linguists loved so much they kept it in science.
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