Monkey, Southern Black Howler

Monkey, Southern Black Howler

Alouatta caraya

Vital Statistics


20 - 26 inches


Male: 25lbs; Female: 12 lbs


Leaf eater and primate browse biscuits, banana, grapes, greens (lettuce, romaine, escarole, spinach), apple, blueberries, cantaloupe, honeydew, pear, oranges


Status: Least Concern

Geographic Region

Eastern Bolivia, southern Brazil and Paraguay, and northern Argentina

At The Zoo

Faces of the Rainforest

Did You Know?

Howlers’ noises can be heard 1.8 miles away in the forest, and 3 miles away over water. This loud volume is a result of the monkey's deep jaw, and enlarged larynx and hyoid apparatus (a resonating chamber).