Become familiar with Alouatta pigra, or the Black Howler Monkey of Mexico and Central America at this brief guide.

Discover the taxonomy of this howler species and read about its physical traits, behavior and conservation status.

Description written by a University of Michigan student presents data on this monkey's physical characteristics and reproduction.

Peruse a primate picture gallery and learn about the black howler's physical adaptations, habitat and reproduction.

Learn how this New World monkey moves from place to place and find details on its diet. Includes term definitions.

Guide details the morphology, behavior, locomotion and reproduction of Alouatta Fusca.

Guide introduces the habitat, communication and locomotion of the Coiba Island howler species.

Guide describes the morphological adaptation that makes this monkey's distinctive cry possible and lists other facts about the species.

Absorb facts about this primate's diet, habitat and physical appearance and view a black howler image.

Peruse a profile of this endangered New World primate. Includes photos, and details on the creature's diet, habitat, and communication.

Learn which attributes distinguish Howler Monkeys from other new world primates and view a diagram and written description of their anatomy.

Research paper attempts to determine the relationship between howler monkey behavior and climactic change.

Peruse a detailed description of the dietary habits, reproductive strategy and anatomical adaptation of Alouatta palliata.

Discover what physical and behavioral attributes make this howler monkey unique. Also learn what areas they inhabit.

Find general information about the Alouatta genus at this simple guide. Includes pictures and morphological details.

Profile of these Latin-American monkeys includes details on their appearance and feeding habits. Browse related links.

Article describes the social hierarchy, group size, habitat and reproduction of the Mantled Howler Monkey. View a picture of its dentition.

Become acquainted with the Red Howler Monkey at this informative guide. Learn about its peculiar diet and communication.

Discover the conservation status of this primate and become familiar with its habitat, diet and development cycle.

Get in-depth information about the life development, social structure, behavior and locomotion of Alouatta palliata at this informative guide.

Lower jaw image accompanies a description of the red howler's ecological niche and physical appearance.

Gain insight into the locomotion, communication, anatomy and social structure of this New World primate.

Become familiar with the attributes that define Alouatta Belzebul. Also learn about its social structure.