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 ...

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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 ...