16+ Howler Monkey Howling Loud Images. Howler monkeys are not aggressive toward humans and are sometimes kept as pets despite their loud vocalizations. They won't quiet down unless they're sleeping.

Avyanna the Howler Monkey – Dudley Zoo and Castle
Avyanna the Howler Monkey – Dudley Zoo and Castle from www.dudleyzoo.org.uk
Their testes are smaller and they produce less semen. Don't tell these howler monkeys to pipe down — they're considered to be among the loudest animals on earth. Howler monkeys are famous for having some of the loudest calls in the animal kingdom.

Loudest land animals on earth!

Each family group is generally made up of 15 to 20 howlers, usually lead by a male.photograph by gillian hardy, dreamstime. Howler monkey — noun date: Howler monkeys belong to the loudest land animals, here a male guatemalan howler monkey (allouatta pigra) in a guatemalan lowland forest. Howler monkey is the common name for the tropical, arboreal new world monkeys comprising the genus alouatta of the primate family atelidae, characterized by prehensile, thickly furred tails, completely black faces, a stout build, relatively large size, and loud howling calls.