Pink-eared Duck demonstrating flexible flange

To: canberrabirds chatline <>
Subject: Pink-eared Duck demonstrating flexible flange
From: Con Boekel <>
Date: Fri, 13 Oct 2017 09:08:57 +0000
This bird was shaking its head vigorously. The right side flange can be
seen to be on the same plane as the rest of the bill while the left side
flange is still at right angles to the rest of the bill, albeit with
some bend at the tip.

I had thought the flanges were rigid but, not so.

Image taken at Kelly's 10 October 2017.




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