Surely the weirdness of the animal stops with their duck-billed, beaver-tailed ... the AMNH has more news. “Platypus babies cut their way out of the egg using a sharp ‘egg tooth ...

The platypus (Ornithorhynchus anatinus) has a puzzling array of features. Not only does it have that iconic duck bill, it lays eggs like a bird or reptile but feeds milk to its young like a mammal.

A team of scientists from Australia and the United Kingdom has finally elucidated the strange sex chromosome system of the duck-billed platypus. The first study, the findings of which are published ...