A few weeks ago when I was out cycling with some friends, we saw a few birds who looked like they were sleeping. Someone asked me what they were doing, and I said they were resting or sleeping but I'd ...
AZ Animals on MSN
Do birds really catch Z’s while they fly?
Did you know some birds can actually rest while flying? That’s right: migrant birds in particular can conserve their energy, and even restore it, by sleeping mid-flight. “Many bird species complete ...
Birds possess an incredible ability to sleep while flying. This allows them to undertake epic migrations spanning continents ...
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