The baby platypus is born around 1.5 centimetres long but rapidly grows, reaching about 20 times its birth size after 14 weeks. It only emerges from the burrow once it's three or four months old.

Found in Australia and New Guinea, the platypus and echidna are called monotremes, and they are unique for being the only mammals that lay eggs. The amphibious platypus has a bill and webbed feet ...

When Europeans first encountered the odd-looking platypus, it became the centre of scientific debate: was it real or just an elaborate hoax? The platypus (Ornithorhynchus anatinus) has a puzzling ...

As the world's only surviving egg-laying mammals, Australasia's platypus and four echidna species are among the most extraordinary animals on Earth. They are also very different from each other.