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T. rex arms, wiggly beluga heads, and tentacle-nosed moles: Smart evolution sometimes looks stupid

from Popular Science

You have evolution to thank for every bizarre-looking bird in existence. Sexual selection is a powerful tool for breeding the brightest, fluffiest feathers — if the lady birds like 'em, males will keep 'em. You have evolution to thank for every bizarre-looking bird in existence. Sexual selection is a powerful tool for breeding the brightest, fluffiest feathers — if the lady birds like 'em, males will keep 'em. more


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