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Amazon black howler

Alouatta nigerrima

MammalThe IUCN status of the…

Taxonomy

Kingdom
Animalia
Phylum
Chordata
Class
Mammal
Order
Primates
Family
Atelidae
Genus
Alouatta

Habitat

Amazon black howlers primarily inhabit tropical rainforests in northern Brazil, preferring areas with dense canopy cover and proximity to rivers. They thrive in lowland forests with tall trees for movement and feeding, avoiding open or disturbed areas.

Diet

They mainly eat leaves, fruits, and flowers, with a preference for nutrient-rich young leaves to supplement their diet. Feeding occurs mostly in the early morning and late afternoon when they forage in the canopy, spending significant time chewing to digest fibrous material.

Behavior

Amazon black howlers live in social troops of 5-15 individuals led by a dominant male, who defends the territory with loud, echoing howls that can be heard up to 5 km away. They are diurnal and arboreal, spending most of their time in trees, with males being more aggressive in territorial disputes. These monkeys rest for long periods after feeding to aid digestion.

Conservation Status

The IUCN status of the Amazon black howler is Vulnerable, with populations declining due to habitat destruction from deforestation and agriculture. Major threats include fragmentation of rainforest habitats and potential hunting pressure.