A photo of a deer standing on only its hind legs caught many people's attention when it was shared on Twitter.

For some, walking on two legs consumes less energy than walking on all fours, according to a paper from UC Davis.

Wildlife troopers were on their way back from patrol when they spotted two deer treading water about 4 miles from land in Alaska's Clarence Strait.

The fact that humans walk on two legs is likely the reason we have developed our rhythmic, musical, and linguistic abilities, suggests new research by physician and researcher Matz Larsson.

The deer made a quick lefthand turn around a parked car and ran right between the man’s legs, knocking him to the ground. A second deer can be seen continuing down the street.

Two stranded deer found tired and swimming in Southeast Alaska's Clarence Strait were rescued by state troopers who happened to be in the right place at the right time. According to a YouTube ...

Wildlife troopers were on their way back from patrol when they spotted two deer treading water about 4 miles from land in Alaska's Clarence Strait.

Two stranded deer, found in the Clarence Strait four miles from shore in Southeast Alaska, were rescued by state troopers on Oct. 14.

Baboons are able to effortlessly transition from walking on four legs to two in less than a second without breaking their stride – despite being four-footed, scientists have found.

There’s no trait that distinguishes humans from all other mammals more clearly than the way we walk. Human habitual bipedalism – obligatory walking on two legs – has long been a defining ...

However, the Skeetchestn Elder notes that the Indigenous mind is what is compelling those two legs to move forward together. Walking on two legs flips the script on how a western scientist might ...