Tourist with tame red howler monkey, Tambopata National Reserve, Puerto Maldonado Amazon Jungle area, Peru, South America

Spider monkey (Atelidae), Achutupu, San Blas Islands, Kuna Yala, Panama, Central America

Peruvian spider monkey (Ateles chamek), juvenile drinking, Serere Eco Reserve, near Rurrenabaque, Beni District, Bolivia, South America

Peruvian spider monkey (Ateles chamek), portrait juvenile, Serere Eco Reserve, near Rurrenabaque, Beni District, Bolivia, South America

Peruvian spider monkey (Ateles chamek), juvenile sitting on a branch, Serere Eco Reserve, near Rurrenabaque, Beni District, Bolivia, South America

Mantled Howler Monkey (Alouatta palliata) male in a tree, Soberania National Park, Panama

Mantled howler (Alouatta palliata) adult male howling on his territory, Pacific coast, Costa Rica