Lesser Black-backed Gull 3CY, May 09 2014, Katwijk, the Netherlands.
Classic 3CY graellsii type bird. All flight feathers 2nd generation. Most wing-coverts still 2nd generation type, only few MC replaced coverts in the partial autumn moult. Grey scapulars create "saddle", contrasting with brown coverts. Complete moult not started: P1-P10 old 2nd generation.
|