The Upright Ape: A New Origin of the Species
by Aaron G. Filler, MD, PhD
Figure 9-3 Bipedal Expertise of Gibbons Exceeds Human Capabilities
Figure 9-3 - Gibbon walking on vine.
The hylobatid apes – such as this gibbon (Hylobates lar) can be extraordinarily adept bipeds, capable of types of upright locomotion that modern humans cannot match. Their most common means of locomotion is arm swinging (brachiation).
Photographs by Nina Leen