This semi-aquatic mammal may look improbable, but its biology reveals how evolution shapes even the strangest mammal bodies.

Platypuses are weird looking. They look like someone stitched together a duck and a beaver—flat bill, webbed feet, and a broad tail. But their appearance isn’t even the strangest thing about them. Not ...

Monotremes are the only mammals left that lay eggs. This video of newly hatched baby platypuses and echidnas is one of few that documents this incredible process. Watch the Full Episode with your FREE ...

“The platypus is the most touchy, temperamental, unpredictable animal,” says Australia’s David Fleay, and he should know. Called “the platypus man,” Fleay is the world’s leading authority on one of ...

Add Yahoo as a preferred source to see more of our stories on Google. Platypuses are monotremes, one of the oldest branches of mammals, and they reproduce by laying eggs instead of giving birth to ...