A new study suggests the platypus and echidna — the only egg-laying mammals — had a water-dwelling ancestor. The finding could upend what’s known of their evolution.

The body of an echidna ranges from 14 to 30 inches in length with a tail of 4 inches. They weigh 5.5 to 22 pounds. An echidna has a tiny face with small eyes and a long nose, which is sometimes ...

The Long-beaked Echidna is genetically and physically like no other animal alive on earth today, and it embodies traits not seen commonly since the dawn of mammals. These species also happen to ...

There’s an echidna baby boom in Australia. In the last five years, an echidna captive breeding partnership between the University of Queensland and Currumbin Wildlife Sanctuary in Australia has ...

Another reptilian characteristic is of course the fact the long-beaked echidna lays eggs. And while the female has a pouch like a marsupial, there’s one significant difference: this pouch isn ...

Researchers with Expedition Cyclops were able to capture the first-ever photographic evidence of Attenborough’s long-beaked echidna, a critically endangered egg-laying mammal, in Indonesia ...

Attenborough's long-beaked echidna, a mammal with a unique evolutionary history, was caught on camera for the first time. Researchers hope their find advances conservation efforts in remote Indonesia.

An echidna is held at SeaWorld and Busch Gardens booth on March 2, 2012, in New York City. A previously thought extinct echidna was recently discovered on the island of New Guinea. Video of the ...

Australian Nature Park Helping Orphaned Echidna 'Puggly' Grow into a New, Strong Name Alice Springs Desert Park is working to switch the baby animal from formula to an adult diet ...

A new study suggests the platypus and echidna — the only egg-laying mammals — had a water-dwelling ancestor. The finding could upend what’s known of their evolution.