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Small mammals
Howler monkey
Howler monkey · Alouatta
Howler monkeys shape the morning with their loud calls and move leisurely through the treetops of the rainforests.
Fact file
- Size
- Adults 40 to 70 centimetres head-body length plus up to 75 centimetres prehensile tail, weight usually 4 to 10 kilograms
- Males and females
- Males are larger, usually darker in colour and have a thicker beard
- Sounds
- Characteristic deep, roaring bellow to mark their territory
- Diet
- Mainly leaves, plus fruit, flowers and occasionally small insects
- Offspring
- One young per litter, birth usually at the end of the dry season after around six months of gestation
How to identify Howler monkey
Howler monkeys have dense fur, usually dark brown to black, and a muscular, bare prehensile tail that is often patterned like scales. The males have a distinctive beard on their chin and a strongly developed larynx, which serves as a resonance chamber for their characteristic calls.
With a head-body length of around 60 centimetres, howler monkeys appear powerful and compact. They can easily be distinguished from other monkey species by their conspicuously large larynx and long prehensile tail. Females are usually much more delicate and their beard is less pronounced.
More in the app
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- general viewing tips
- 26 places where you can see Howler monkey
Where Howler monkey live
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