These images in this document are courtesy of the listed institutions for educational purposes only and cannot be reproduced without the express

written consent of Science Friday and the listed institutions.

Aye-aye Daubentonia madagascariensis

Image Courtesy of Duke Lemur Center

Crowned Lemur Eulemur coronatus

Image Courtesy of Duke Lemur Center

Blue-eyed black lemur

Eulemur flavifrons Image Courtesy of Duke Lemur Center

Coquerel's sifaka

Propithecus coquereli Image Courtesy of Duke Lemur Center

Red ruffed lemur

Varecia rubra Image Courtesy of Duke Lemur Center

Black-and-white ruffed lemur

Varecia variegata Image Courtesy of Duke Lemur Center

Kikuyu black-and-white colobus Simia polycomos

Image Courtesy of Denver Zoo

Lion tailed macaque Macaca silenus

Image Courtesy of Denver Zoo

Mandrill Mandrillus sphinx

Image Courtesy of Denver Zoo

Red cheeked gibbon Nomascus gabriellae

Image Courtesy of Denver Zoo

Human Homo sapiens

Image Credit: Wikimedia Commons https://upload.wikimedia.org/wikipedia/commons/1/19/01_16_X-

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