Steve, it looks like 'Angel Wing', which is a condition that ducks & geese can get when they have too much protein in their diets. Probably caused by supplementary feeding of high-protein pellets or something like that (e.g. chicken food).
Damien
> Date: Wed, 5 May 2010 12:46:48 +1000 > From: > To: > Subject: [canberrabirds] any suggestions? > > While on Three Hummock Island recently Helen & I saw atleast 4 birds > with this wing problem. > > Any thoughts on what the problem could be? Numbers of Cape Barren > geese out of control. > > Deficiency in diet? "Sport", genetic problem? > > Steve.
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