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Imagine a creature that looks like a mashup from a child’s wildest dreams: a furry animal with the bill of a duck, the tail ...
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 ...
A small bone found 30 years ago at Dinosaur Cove could revolutionize our understanding of echidnas and platypuses' evolution.
A controversial idea suggests the ancestors of echidnas were more like the platypus. For the first time, fossil evidence ...
Three species are found only in New Guinea and the fourth is found there and widely in Australia Previously, researchers thought echidnas and their semiaquatic relative, platypuses ...