Red Howler Monkey

Kingdom Order Family Genus Species
Animalia Primates Atelidae Alouatta Alouatta seniculus
Colombian Red Howler
IUCN Status: Least-Concern
  • Common Name: Colombian Red Howler
  • Taxonomy Classification Year: 1766
  • Monkey Size: 46 to 72 cm (18.1 to 28.35 in)
  • Skin Color(s): Dark red to brownish red
  • Habitat: Forest, rainforest
  • Diet: Herbivorous
  • Native Countries: Venezuela, Colombia, Ecuador, Peru, Brazil

Colombian Red Howler Distribution

Red Howler Monkey Characteristics

Red Howler Monkey

The Colombian red howler[1] or Venezuelan red howler is a South American species of howler monkey, a New World species of monkey found in the western Amazon basin.

  • Alouatta seniculus have a slight sexual dimorphism.
  • The females have a body length of 46 to 57 centimeters; the males, which are larger, have a body length of 49 to 72 cm.
  • Both sexes have a long prehensile tail of about 49 to 75 centimeters.
  • The coat color of this primate is dark reddish brown, although the hue slightly varies with age.
  • Colombian red howlers have large necks with massive jaws and hyoid bones, giving them a menacing expression.

What Do Colombian Red Howlers Eat?

What Do Red Howlers Eat? (Figs)

The Colombian Red Howler feeds on many plants and trees including[¶]:

  • Icecreambean (Inga edulis)
  • Guiana Brosimum (Brosimum guianense).
  • Caucho Rubber (Castilla ulei).
  • Hogplum (Spondias mombin)
  • Hinchahuevos (Sapium laurifolium)
  • Amarillo (Guatteria punctata)
  • Breadnut (Brosimum alicastrum)
  • Chalahuite (Inga acrocephala)
  • Maraximbé (Trichilia tuberculata)
  • Rabo De Ranton (Casearia aculeata).
  • Abiu (Pouteria caimito)
  • Cuero De Rana (Laetia procera).
  • Fig (Ficus)
  • Sweetwood (Nectandra membranacea)
  • American Muskwood (Guarea guidonia).
  • Guamo (Inga acreana)
  • Figueira-Acreana (Ficus sphenophylla)
  • Trichilia (Trichilia)
  • Pachiuba (Socratea exorrhiza)
  • Pacae Colorado (Inga alba).

Red Howler Monkey Facts

Alouatta Seniculus

  • Colombian red howler monkeys live in relatively large social groups composed of around 10 individuals, with just one or possibly two of the individuals being male.
  • They are best known for their ‘morning chorus’, a deafening roar that can be heard up to 5 kilometers away! This resounding howl, made primarily by the men of a group, is answered by all other howler groups within earshot.
  • Due to such an unbalanced male-to-female ratio, there is intense sexual competition between and within the Colombian red howler family groups.
  • Males and females sometimes form consortships, an unusually close spatial relationship before any sexual exchange begins.
  • Due to its relatively large size, Alouatta seniculus is hunted for food and other howler species and exported commercially.

Suggested Reading: Common Monkey Names

Cite This Page

APA7MLA8Chicago (2024, April 12). Red Howler Monkey. Bio Explorer. "Red Howler Monkey" Bio Explorer, 12 April 2024, "Red Howler Monkey" Bio Explorer, April 12 2024.
Key References
  • [1]“Digimorph – Alouatta seniculus (red howler monkey)”. Accessed August 24, 2022. Link.
  • [¶] – Fricke, E.C., Svenning, J. Accelerating homogenization of the global plant-frugivore meta-network. Nature 585, 74-78 (2020).
  • [¶] – fgabriel1891/Palm-Frugivore_Interactions_Neo-AfrotropicsStevenson, Pablo R.; Link, Andres; Gonzalez-Caro, Sebastian; Fernanda Torres-Jimenez, Maria. 2015. Frugivory in Canopy Plants in a Western Amazonian Forest: Dispersal Systems, Phylogenetic Ensembles and Keystone Plants. Plos One. e0140751


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