Echidnas, also called spiny anteaters, are some of the weirdest mammals in the world. They're among the only mammals that don't give birth to live babies, and they also carry their young in a pouch.

Monotreme habits There's an old joke which asks how do echidnas have sex? Very carefully. But Tasmanian researchers have discovered the spiky mammals aren't particularly careful at all. In fact, new ...

Linda Shearwin receives funding from the Australian Research Council. Frank Grützner does not work for, consult, own shares in or receive funding from any company or organization that would benefit ...