Herring Gull (argentatus & argenteus)
(last update: February 11, 2013)
Herring Gull argentatus 2L80 3CY, November 16 2016, Katwijk, the Netherlands.
The bird was ringed in a mixed colony of Larus argentatus and Larus cachinnans. Strong dominance of argentatus. Retarded plumage, with hardly grey coverts and very extensive dark-centred tertials TT3-5. P4 with pale brown sub-terminal band.
First metal ring (ID): Lithuania, Kaunas / Mus. Zool. EN07812 [LIK EN...07812]