Red Howler

Alouatta seniculus

A howling good time

These howler monkeys have an enlarged hyoid bone and a cavernous larynx with which they put on concerts of loud, whooping cries that can be heard for miles around. Howlers from outside the group get the message: we live here, don’t come any closer!

Charakteristics

Origin
Northwestern South America
Habitat
tropical and subtropical rainforests
Diet
Leaves, flowers, fruits
Status
least concern

Size
46 to 57 cm
Weight
4,5 to 8 kg
Gestation period
190 days
Achievable age
over 25 years

Threat Categories of IUCN

A safe hold

A howler monkey’s long prehensile tail is strong enough to support its entire weight. The underside of the tail is bare to help the primates grip when climbing trees.

Did you know that?

Howler monkeys dine almost exclusively on leaves and
therefore like to avoid energy-sapping activities.
The bare underside of a howler monkey’s tail is as unique
as a human fingerprint.

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