Allen's Swamp Monkey

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Kingdom Order Family Genus Species
Animalia Primates Cercopithecidae Allenopithecus Allenopithecus nigroviridis
Allen's Swamp Monkey
IUCN Status: Least-Concern
  • Common Name: Allen’s Swamp Monkey
  • Taxonomy Classification Year: 1907
  • Monkey Size: 45 to 60 cm (18 to 23.6 inches)
  • Skin Color(s): Brown, gray and green
  • Habitat: Forest, rainforest
  • Diet: Omnivorous
  • Native Countries: Cameroon, Democratic Republic of Congo

Allen’s Swamp Monkey Distribution

Allen’s Swamp Monkey Characteristics

Allen's Swamp Monkey

Allen’s swamp monkeys[1] are small, stocky monkeys with gray to brown fur and long tails.

  • These highly social primates live in the swamp forests of central Africa, where they mostly spend their time in the trees.
  • Allen’s swamp monkey is comparable to guenons in size and body proportions. Both males and females have dark khaki fur with a whitish underside.
  • Typically, their faces are framed by long dark gray fur on their cheeks, outlined with dark lines.
  • The skin on their neck is light gray. Both sexes have a patch of orange-red skin under the tail.
  • Females have prominent oestrous bulges (other female guenon species do not have this), and males have light blue scrotal skin.
  • The light webbed fingers and toes indicate their partially aquatic lifestyle.

Allen’s Swamp Monkey Facts

Allenopithecus Nigroviridis

  • Allen’s swamp monkeys use gestures and calls to communicate with their squadmates.
  • The swamp monkey is a very social primate, living in groups of 40 or more.
  • The lifespan of this species is estimated to be around 28 years.
  • Allen’s swamp monkey’s tail is longer than its entire body (about 2 feet long)!
  • It was named after Joel Asaph Allen, an American zoologist.

Suggested Reading: Different Kinds of Monkeys

Cite This Page

APA7MLA8Chicago (2023, June 01). Allen’s Swamp Monkey. Bio Explorer. "Allen’s Swamp Monkey" Bio Explorer, 01 June 2023, "Allen’s Swamp Monkey" Bio Explorer, June 01 2023.
Key References
  • [1]“Allen’s swamp monkey | Smithsonian’s National Zoo”. Accessed July 30, 2022. Link.



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