It hunted small land ... ancestor's longer legs. It also used its tail for swimming. Further along this evolutionary journey we find Dorudon, which lived 40 to 33 million years ago. This ...

after footage of one animal standing like a person sent rumours flying online. Responding to a viral video of a bear on its hind legs, Hangzhou Zoo said people "don't understand" the species.

The dogs are housed socially in small groups of four to eight beagles. Environmental conditions comply with the Guide for the Care and Use of Laboratory Animals ... of the hind leg and joints ...