10 Birds That Can Sleep While Flying

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20 November 2024

Alpine Swifts: These migratory birds use unihemispheric slow-wave sleep, allowing one hemisphere of their brain to rest while the other stays alert, enabling them to fly non-stop


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Frigatebirds: Known for flying for weeks, these seabirds also employ unihemispheric sleep, resting one hemisphere of their brain at a time while maintaining course


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Common Swifts: Similar to Alpine Swifts, they can stay airborne for months and rest by using unihemispheric sleep


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Great Frigatebirds: A larger cousin of the Frigatebird, they use dynamic soaring to fly for days and can rest while flying


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Manx Shearwaters: These seabirds can rest during their long migratory flights, using unihemispheric sleep to control their flight path while resting one side of their brain


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White-Chinned Petrels: They can glide for hours and rest parts of their brain, helping them conserve energy during migration


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Northern Gannets: While typically resting on land, they may also rest while gliding over long distances during their migratory journeys


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Red-Footed Booby: Known for long-distance migration, they use slow-wave sleep to rest one hemisphere of their brain while flying


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Sooty Shearwaters: Migrating long distances, they use unihemispheric sleep to rest while maintaining flight without interruption


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Bar-Tailed Godwits: These birds can fly non-stop for incredible distances, switching off half of their brain to rest while continuing their journey


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