Juvenile goldfinch being checked by bird ringer

A juvenile goldfinch, Carduelis carduelis, has its wing checked by a bird ringer. The wing patterns provide information about the bird's age. Goldfinches are common finches in the UK.

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Keywords: age animal bird bird's bird-ringer bird-ringing carduelis checked common finch finches goldfinch goldfinches hand information juvenile passerine patterns person provide ringer songbird uk wing

Username: Rodshelf43

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Image ID: 257282421