Skull, Mandible and Hyoid Bone of a Red Howler Monkey (IMAGE) Cell Press Caption This photo is of a skull, mandible and hyoid bone of a red howler monkey, showing the enormous size of the hyoid ...
Venezuelan Red Howler (Alouatta seniculus). They inhabit rainforests and mountain forests of Central and South America. The loudest monkey. Morning roar of a red howler. Close-up.© ...