It was not just the weather that contrasted sharply with the session Pete and I had had the previous Thursday, but also the mix of species caught with lots more finches evident rather than House Sparrows. It was nice to ring a few Greenfinches for a change. See the wing and tail images below which clearly show the difference between first winter and adult male Greenfinches.
Species totals 42/14 (new/retrap), total 56: Woodpigeon 1/0, Blackbird 2/1, House Sparrow 12/4, Blue Tit 2/0, Great Tit 0/1, Dunnock 0/2, Robin 2/1, Chaffinch 2/0, Greenfinch 8/3, Goldfinch 11/2, Starling 2/0. Oldest retraps were a Great Tit and House Sparrow from early 2016.
Jim
First year male (left) and adult male (right) Greenfinches.
Those pictures are so striking!
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