Progression in feather growth in young Herring Gull Green YCDM

Two photos of young Herring Gull ringed as Green YCDM: one taken when it was ringed on July 1 and another taken 3 days later.

Nice to see how fast the wing feathers grow in such a short time.

IJmuiden, Forteiland, the Netherlands.

YCDM-1-July-2016-Forteiland-IJmuiden-Maarten-van-Kleinwee-2

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