University of Wisconsin
University of Wisconsin: Howler Monkey
Comprehensive discussion on the taxonomy of the Howler Monkey with detailed factsheets on the varied species that include an extensive glossary of terms.
University of Wisconsin
University of Wisconsin: Red Howler (Alouatta Seniculus)
Comprehensive discussion on the taxonomy, morphology, range, habitat, and ecology of the Red Howler Monkey in this detailed factsheet that includes an extensive glossary of terms.
A-Z Animals
A Z Animals: Animal Facts: Howler Monkey (Alouatta)
This entry identifies the defining characteristics of the Alouatta, otherwise known as the howler monkey.