This is a preview. Log in through your library . Abstract African apes engage in a distinct form of locomotion called knuckle-walking, but there is much ambiguity as to when and how this locomotor ...

Humans walking on two legs consume only a quarter of the energy that chimpanzees use while “knuckle-walking” on all fours, according to a new study. The finding, detailed in the July 17 issue of the ...

There’s unique, and then there’s the pangolin. These incredible creatures resemble something from prehistoric times with their protective suit of armor. However, it isn’t just how they look that sets ...

WASHINGTON (Reuters) - The way orangutans navigate fragile tree branches in search of fruit has led scientists to propose that human ancestors with similar lifestyles may have begun walking on two ...

In zoology, the term “bipedal” refers to animals that use only two legs for walking. There are several groups of modern species considered habitual bipeds, meaning two-legged walking is their normal ...