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 ...

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 ...

Platypuses are monotremes, one of the oldest branches of mammals, and they reproduce by laying eggs instead of giving birth to live young. Unlike most mammals, platypuses secrete milk through pores in ...