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 ...

Hunkered in a shallow digging of a loamy riverbank illuminated by torchlight is a ball of spines. It's not uncommon for a short-beaked echidna (Tachyglossus aculeatus) to shift dirt and tuck in ...

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 fourth is the short-beaked echidna, widespread in Australia yet still difficult to spot. Discover more about these spiky, gentle beings. 1. Echidnas are monotremes - mammals that lay eggs. They ...

What is the echidna? Echidnas are part of a group of animals called monotremes, which is the only group of mammals that lay eggs instead of giving birth to live young. Echidnas are one of only ...

4. There are only two egg-laying mammals in the world - the duck-billed platypus and the echidna (sometimes known as spiny anteaters). 5. Hens have a special clucking song they sing after they've ...

the echidna is gone. Echidnas are silent, hot water bottle sized mammals that don’t seem to have gotten the memo about doing all the things mammals are supposed to. They lay eggs like a reptile.