birds' sleep requirements

To: "Judie Peet" <>, "birding aus" <>
Subject: birds' sleep requirements
From: "Scott O'Keeffe" <>
Date: Thu, 8 Mar 2001 16:15:23 +1000



According to HANZAB V4, swifts and swiftlets are thought to sleep on the wing, particularly during migration.


Scott O’Keeffe


-----Original Message-----
From: [On Behalf Of Judie Peet
Sent: 08 March 2001 12:20
To: birding aus
Subject: [BIRDING-AUS] birds' sleep requirements


G'day Everyone,


Can someone help please?  I have been asked how it is that some birds can call all night long, apparently doing without sleep. 


This started me wondering about migrating sea birds - I think I read somewhere that they can, er, 'cat-nap'  on the wing. Is this correct? Do birds sleep so lightly that they have catch-up naps all through the day or night?  Help!!!


Judie Peet (Dubbo)


(The only thing certain about birdwatching is that nothing's certain.)

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