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 true oddballs. They look like a mish-mash of several animals, with duck-like bills, beaver-like tails and otter-like bodies. They’re egg-laying mammals, and they hunt by sensing their ...

Q. When we studied high school biology, our teacher said more than 99 percent of animals lay eggs and only a few give live birth. That percentage seems too high. Humans, dogs, cats and cows are ...

Outliers among mammals, monotremes lay eggs instead of giving birth to live young. Only two types of monotremes, the platypus and echidna, still exist, but more monotreme species were around about 100 ...

Fossils reveal an ancient platypus species (Obdurodon insignis) that still had teeth, offering insight into how this unusual animal evolved.

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 ...