Herring Gull (argentatus & argenteus)

(last update: February 11, 2013)

Herring Gull sub-adult, November 26 2013, Katwijk aan Zee, the Netherlands.

Complte moult finished. Mirror on P10and on P9; dark markings on greater primary coverts. Much black on bill.
Unringed, hence no provenance on origin and age but probably 4CY.