Costa Rica Species
Alouatta palliata
AnimaliaIUCN VUIn Progress Recent Sighting

Alouatta palliata

Mantled howler monkey

(Gray, 1849)

Detailed Texts Multi-lang
Large primate with black fur and yellowish side fringes.

Added by

Gerardo Venegas

Reviewed by

Under Review

Last modified by

Alberto Zuluaga

Other Names (Global)

flagMono aulladorflagGolden-mantled howlerflagAullador de la costaflagHurleur à manteau

Taxonomy

PhylumChordata
ClassMammalia
OrderPrimates
FamilyAtelidae
GenusAlouatta
Taxonomic Authority(Gray, 1849)

Ecology & Status

Origin

Native

Population Trend

Decreasing

Breeding Season

Year Round

Trophic Role

Herbivore

Recent Sightings

Yes

Habitat Summary Multi-lang

Inhabits lowland rainforests, deciduous forests, and mangroves..

Behaviour Multi-lang

Famous for its powerful vocalizations that can be heard for miles.

Social Activity Multi-lang

Stable social groups of 10 to 20 individuals with linear hierarchy.

Feeding Guild Multi-lang

Folivore; feeds mainly on young leaves, flowers, and fruits.

Trophic Chain Details Multi-lang

Contributes to the forest nutrient cycle through defecation.

Reproductive Behaviour Multi-lang

Gestation lasts 6 months; the mother carries the infant on her back.

Physical Measures

Length (cm)

48.0 - 65.0 cm

Weight (Grams)

4.50 kg - 9.80 kg

Offspring per cycle1 - 1
Sexual DimorphismYes

Lifespan

Sexual Maturity

36 - 48 Months

Gestation / Incubation

180 - 190

Lifespan Estimated
Males15 - 20 Years
Females15 - 20 Years

Sexual Dimorphism

Males Multi-lang

Males have a highly developed hyoid bone for howling and a prominent beard.

Females Multi-lang

Females are smaller and lack the prominent beard of the male.

Evolutionary Adaptations Multi-lang

Its throat is large to act as a resonance chamber.
Prehensile tail with a hairless tactile pad at the tip for a firm grip.

Main Threats Multi-lang

Loss of connectivity between forest patches and roadkills.
Electrocution on poorly insulated power lines when trying to cross roads.

Interesting Facts Multi-lang

It is one of the loudest land animals in the world.
They spend up to 80% of the day resting to digest the cellulose in leaves.

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