Why Don’t Sleeping Birds Fall Off the Branch?

African gray parrot and common grackle, each sleeping on a perch (photos from Wikimedia Commons)

2 December 2021

We take for granted that birds sleep on a perch without falling off, yet we drop whatever we’re holding when we fall asleep. (Many’s the time that my book falls off the bed!)

How do birds continue to hold on after they fall asleep? The answer is in this vintage article.

(photos from Wikimedia Commons; click in the caption to see the originals)

Leave a Reply

Your email address will not be published. Required fields are marked *