The common swift (Apus apus) is a true master of the skies, spending almost its entire life in flight, even sleeping while airborne! Using unihemispheric slow-wave sleep, they rest one half of their brain while still flying. Some swifts stay in the air for months or even years without landing!
#birds #bird #nature #naturelovers #animals #animal #apus #apuslifestyle #swift
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Learnt something new. Thanks for sharing 🙌