: any of a genus (Alouatta) of South and Central American monkeys that have a long prehensile tail and enlargement of the hyoid bone and expansion of the larynx enabling them to make loud howling noises
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Hiking is also one of the best ways to spot the park's wildlife, including howler monkeys, sloths, jaguarundis, parrots, and tapirs.—Evie Carrick, Travel + Leisure, 12 Jan. 2026 The habitat includes an overhead treetop trail system for three monkey species: black howler monkeys, golden lion tamarins and spider monkeys.—Mona Darwish, Oc Register, 21 Dec. 2025 The area includes La Amistad International Park, an over 400,000-hectare UNESCO World Heritage Site and Central America’s largest nature reserve, as well as the Gulf of Chiriquí National Marine Park, home to howler monkeys, armadillos, and, from July to October, migrating humpback whales.—Megan Spurrell, Condé Nast Traveler, 17 Dec. 2025 Then, like an alarm clock, howler monkeys unleashed their banshee shriek, staking their territory as the sun rose.—Ryan Knighton, AFAR Media, 31 Oct. 2025 See All Example Sentences for howler monkey