Bird Brains Split Lookout Duty

sea-maid submitted, created time 1 month 4 weeks (sciencenow.sciencemag.org)

What good is half a brain? Good enough for migratory birds to avoid predators when napping in the daytime. A new study finds that migrating birds take mini-naps during the day but only rest half their brains at a time, allowing them to keep one eye

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