Analysis of the fossil suggests that the only two egg-laying mammals, platypuses and land-based echidnas, both descended from ...

New fossil evidence suggests echidnas evolved from a water-dwelling ancestor, not a land-based one. The bone structure ...

Two recent studies published in Biological Conservation and Nature Reviews Earth & Environment, led by researchers from the ...

Analysis of single bone may tell us if the platypus is an evolutionary anomaly — starting on land, then returning to water.

As the world's only surviving egg-laying mammals, Australasia's platypus and four echidna species are among the most ...

A controversial idea suggests the ancestors of echidnas were more like the platypus. For the first time, fossil evidence ...

New fossil evidence reveals insights into the evolution of monotremes, specifically platypuses and echidnas. A ...

As spring blankets Texas in a wave of blooming wildflowers and budding trees, another seasonal sign is quietly creeping ...

The latest research suggests that echidnas and platypuses originate from an aquatic ancestor, rather than a terrestrial one, ...

Semi-aquatic mammals are also vulnerable to altered ... Altanov et al, A systematic map of hydropower impacts on megafauna at the land-water interface, Biological Conservation (2025).