Unipedal postures in birds?

To:	<>
Subject:	Unipedal postures in birds?
From:	Cath Morton-Evans <>
Date:	Tue, 25 Jan 2011 00:17:42 +1100

Just wondering if anyone can enlighten me? Do birds need to alternate legs
to thermoregulate or can they use the same leg each time to do the job? I
understand that the 'rete mirabile' transfers heat back and forth, but is
alternation imperative or will the one leg do! I suspect it would but am
interested in peoples thoughts... (I'm not referring to amputee birds!)

Cheers,
Cath Morton-Evans
Blue Mountains


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