The white in the wings is the waxy sheaths on growing feathers. The sheath is lost when the feather is fully grown.
Anthony
On 21 Feb 2015, at 9:41 pm, Ryu Callaway <> wrote:
What do you make of the beak and the white in wings? Taken in Erindale.
Ryu
<DSCN2563 - Copy.JPG>
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