At around 9 A.M. every weekday, a crow caws in the Jardin des Plantes, the oldest botanical garden in Paris. The sound is a warning to every other crow: Frédéric Jiguet, a tall ornithologist whose ...
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AZ Animals on MSN
Do Birds Really Catch Z’s While They Fly?
Did you know that some birds can actually sleep while flying? Learn all about this unique technique that allows birds to rest while migrating.
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