Wondering if the nest in your backyard contains cardinal eggs? Feel confident in your cardinal egg spotting skills with these ...

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

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

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 ...

The strange reproductive habits of a large, carnivorous New Zealand snail were once shrouded in mystery. Now, footage of the ...

The only pair of breeding ospreys in southern England have laid four eggs at their nest site for the second year in a row. Ospreys typically lay three eggs, so for four to be laid two years on the run ...

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 ...

Sydney (AFP) – Australia's burrowing echidna evolved from a water-dwelling ... Echidnas and platypus are monotremes, a rare group of mammals that lay eggs instead of live young.