Researchers captured footage of the "bizarre" animal on the last day and with their final memory card after a month of battling "blood-sucking leeches, malaria, earthquakes" and more in Indonesia.

Attenborough's long-beaked echidna is one of only five living species of monotremes, a group of egg-laying mammals, which includes the platypus.

Despite being critically endangered, Attenborough's long-beaked echidna is not currently a protected species in Indonesia. The scientists don't know how big the population is, or if it is sustainable.

Researchers on a nine-week expedition were able to capture the first known photographic evidence of an endangered species that has not been spotted in over 60 years.

This species is one of five living monotremes, a strange group of primitive mammals that includes the platypus and three other echidna species. Monotremes diverged from the common ancestors of ...

The Attenborough echidna, named for Sir David Attenborough, is one of three species of the genus that lives only in the Cyclops Mountains on New Guinea.

Biologists have confirmed the existence of a 200-million-year-old species of egg-laying mammal that has been assumed to be extinct. Suspected footage of Zaglossus attenboroughi -- the long-beaked ...

Echidna Species Lived Watery Lifestyles Like Platypuses: Study The platypus is well adapted for a semi-aquatic lifestyle, spending up to 20 hours a day swimming in Australian waterways to forage ...

Three new species of monotremes have now been identified from 102-96.6 million-year-old fossil deposits at Lightning Ridge, bringing the number of species known from that place and time to six.