Native to New Guinea and Australia, these animals are the size of a house cat but a whole lot stranger: tiny toothless mouths, quill-like hairs...and multiheaded genitalia. The penile shaft has four ...
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Echidna ancestors lived watery lifestyles like platypuses 100 million years ago – new study
As the world’s only surviving egg-laying mammals, Australasia’s platypus and four echidna species are among the most extraordinary animals on Earth. They are also very different from each other. The ...
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