Black howler

Allomothering is a common activity: females of a group display communal care for each other’s infants

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The black howler is also known as the black-and-gold howler because they are sexually dimorphic. Males have a black pelage, whereas females have a golden or blonde pelage. Infants are born with golden fur and change as they mature. This is because golden fur helps to camouflage the infants in their mothers’ blonde coats.

Every morning, male members of a group emit howling signals to announce their location to neighboring groups. This allows them to keep their distance between groups to avoid unnecessary competition. They are known for emitting the loudest call of all primates in the world, thanks to their unique egg-shaped hyoid bone.

Distribution

Country
Population est.
Status
Year
Comments
Argentina
2015
Bolivia
2015
Brazil
2015
Paraguay
2015
Uruguay
2015
Presence Uncertain

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Terrestrial / Aquatic

Altricial / Precocial

Polygamous / Monogamous

Dimorphic (size) / Monomorphic

Active: Diurnal / Nocturnal

Social behavior: Solitary / Pack / Herd / Group

Diet: Carnivore / Herbivore / Omnivore / Piscivorous / Insectivore

Migratory: Yes / No

Domesticated: Yes / No

Dangerous: Yes / No