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Many female animals are evolving to look more attractive to mates

11 June 2021

Sexual selection, a mechanism of evolution that can drive the appearance of bright feathers and elaborate horns, is more widespread among females than many researchers expected
kangaroo hand bones

Large extinct Australian kangaroo spent half its life in trees

24 March 2021

A 50-kilogram kangaroo that lived 40,000 years ago in what is now Australia spent half its time living in trees – an unusual adaptation for a kangaroo of that size

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