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 ...

Echidnas and another Australian oddity, the semi-aquatic platypus, are believed to have evolved from a common ancestor called Kryoryctes cadburyi that lived in Australia more than 100 million ...

Although known to be capable swimmers, a potential one-kilometre ocean swim by an echidna has landed it in hospital.

Echidnas are egg-laying, insect-eating mammals native to Australia, according to the Australian Museum. The country has only one species, the short-beaked echidna, which can be found throughout ...

Australia's burrowing echidna evolved from a water-dwelling ancestor in an "extremely rare" biological event, scientists said Tuesday in a new study of the peculiar egg-laying mammals. With ...