Echidnas and the semi-aquatic platypus are believed to have evolved from a common ancestor called Kryoryctes cadburyi that ...

Research from the University of Adelaide shows microbial communities in echidna pseudo-pouches undergo ... which are the only mammals that lay eggs. The early developmental stage at which they ...

Research shows microbial communities in echidna pseudo-pouches undergo dramatic ... Echidnas are monotremes, which are the only mammals that lay eggs. The early developmental stage at which ...

It is also not yet clear whether the Tasmanian short-beaked echidna represents a separate species. As if the world of egg-laying mammals weren’t already complicated enough… So how did it come about ...

Spiny, snooty, and strange, echidnas are among Australia's wackiest animals. They're mammals, which means they feed their ...

Native to Australia and New Guinea, the platypus and echidna are two of the only remaining monotremes—mammals that lay eggs instead of giving live birth. These creatures exhibit strange ...

“We’ve just hit now 12,000 echidna sightings,” he says ... These are the only living monotremes, distinguished from other mammals by laying eggs rather than giving live birth. “They have a lot of ...

These birds lay essentially one and half eggs each year in a bizarre breeding strategy. The least studied of all the penguin species, they exist on just two island groups in New Zealand ...