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Vomit bird throws up a defense against predators

Babies of a bird species called the Eurasian roller vomit a foul-smelling orange liquid as a defence mechanism against predators, biologists have discovered. Offspring of the bright-blue jackdaw-sized bird — Latin name Coracias garrulus — throw up the repugnant fluid when they are frightened in their nests, according to a…

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