Echidnas, also known as spiny anteaters, are egg-laying mammals native to Australia and New Guinea. They are characterized by their spiky coat of spines, which helps protect them from predators in ...

The long-beaked echidna had not been documented since the 1960s. Biologists have confirmed the existence of a 200-million-year-old species of egg-laying mammal that has been assumed to be extinct.

Researchers tagging marine animals off Australia’s Orpheus Island were shocked when a tiger shark they caught spat up an echidna, a grub-eating monotreme recognizable for its spine-covered body. Known ...

If you’ve always thought echidnas and platypuses were distant cousins who went their separate ways on land and water, think again. A single fossilized arm bone, found in a remote corner of ...

The story of two of the strangest animals on the planet just got a little stranger, thanks to clues revealed by a lone fossil specimen that scientists now say represents a long-extinct ancestor. The ...

The short-beaked echidna (Tachyglossus aculeatus) is one of Australia's most iconic animals. Belonging to a unique group of mammals called "monotremes" (with the platypus as the other prominent member ...

A trail camera on Clarke Island recorded an echidna for the first time in decades. Photos show the egg-laying mammal once feared locally extinct. Photo from Tasmanian Aboriginal Centre via ...