Some birds manage to sleep with half their brain active and this adaptation allows them to rest without completely losing vigilance

Original: Alguns pássaros conseguem dormir com metade do cérebro em atividade e essa adaptação permite descansar sem perder completamente a vigilância

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Some birds are able to sleep with one brain hemisphere more active and keep one eye open to watch out for threats. Understand the mechanism. The post Some birds can sleep with half their brain active and this adaptation allows them to rest without completely losing vigilance first appeared on Catraca Livre .

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