Howler Monkey
Howler monkeys are known for their loud calls that can be heard at distances of over three miles away!
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Primates
Family: Atelidae
Genus: Alouatta
Species: Between 9 and 15 species in 5 species groups
Common Names: Howler Monkey
Howlers are found in rainforests in Central and South America. They live in groups, that can range in size from half a dozen up to 15 animals.
Howler monkeys are named for their extremely loud howling calls. These calls are used to communicate information, usually about feeding sites. Howler monkeys feed mostly on fruit and will defend fruit trees from outsiders.
Gestation (pregnancy) period varies between different howler species, but averages between 180 and 195 days. Young howlers hang onto their mothers, first clinging to her underside, then hanging from her by their tails, and ultimately riding on her back.
Howler monkeys range between two and three feet in length, not including their tails, which can sometimes double their total length. Their tails are prehensile, which means they can grasp and hold things with them, such as tree branches.
Their fur coloration varies by species, but normally ranges from reddish brown to black.
Howler monkeys have varying temperaments depending on the species. Most are not aggressive, but some do not do well in captivity due to their ill temper. However, black howler monkeys are sometimes kept as pets. Despite their large size, they are the most even-tempered among the howler species.
Most howler species are Near Threatened or Least Concern, though a few are Vulnerable or Endangered.
Howlers face a number of threats. They are sometimes hunted for food due to their large size. Logging of the rainforest destroys their habitat. Some species are taken from the wild and kept as pets, which can harm populations.
References
https://en.wikipedia.org/wiki/Howler_monkey
Macdonald, David W. (editor). (2006). The Princeton Encyclopedia of Mammals. Princeton, New Jersey: Princeton University Press.
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