Discover more about the egg-laying monotremes of Oceania and the ancient traits they still carry.

An artist’s impression depicts Kryoryctes at Dinosaur Cove in Australia. New research supports the hypothesis that Kryoryctes is a common ancestor of both the platypus and echidna. - Peter Schouten ...

A heartwarming rediscovery has been made on the world’s largest tropical island. Attenborough’s long-beaked echidna ...

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 ...

Waddling, wriggling, ambling, digging, laying eggs. There’s no shortage of verbiage when it comes to describing monotremata—the taxonomic order made up of only two animals, the platypus and the ...

Jars of tiny platypus and echidna specimens, collected in the late 1800s by the scientist William Caldwell, have been discovered in the stores of Cambridge's University Museum of Zoology. Jars of tiny ...

A comparison of the genomes of the platypus and echidna — Australia’s egg-laying mammals — has revealed new clues about how these monotremes diverged from other mammals. A team that included ...

A nearly gapless genome sequence of the echidna, an egg-laying mammal with multiple sex chromosomes, helps researchers to track genomic reorganization events that gave rise to a highly unusual sex ...

The platypus (Ornithorhynchus anatinus), sometimes called the duck-billed platypus is native to Eastern Australia and Tasmania. It is the sole-surviving member of its family (Ornithorhynchidae) and ...

An echidna expert from the University of Queensland says not much is known about how many echidnas there are in the wild. It ...

(CNN) — 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 ...