Lesser Black-backed Gull (graellsii & intermedius)
LBBG graellsii 2cy H513 April 27, May 15 & 31 2008, Ciudad Real, Spain. Picture: Gabriel Martín.
Ring series used at Amrum & Helgoland Islands, N Germany; two colonies in the transition zone between continental graellsii ("Dutch intergrade") and Scandinavian intermedius. Project run by Sönke Martens.
Scapulars replaced. Inner wing-coverts and upper tertials replaced. By late May, moult in the outer mc.
Picture 1: April 27.
Picture 2: May 15.
Last picture: May 31.