Nifty graphic here. Watch a goldfinch bring that color on and lose it again:
http://www.sibleyguides.com/2012/05/the-annual-plumage-cycle-of-a-male-american-goldfinch/
http://www.sibleyguides.com/2012/05/the-annual-plumage-cycle-of-a-male-american-goldfinch/
Scott Richardson
On Sat, Feb 18, 2017 at 12:08 PM, David Lewis <radsboy@gmail.com> wrote:
LOTS of goldfinches (the yellows seem to be slowly intensifying as new feathers come in)
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