Lesser Black-backed Gull (graellsii & intermedius)
Lesser Black-backed Gull 2cy-3cy H082 April 2008 & October 2009, Westkapelle, the Netherlands.
Ringed 2cy Larus fuscus from N Germany, overlap zone of graellsii "Dutch intergrade" and intermedius.
below: H082 April 2008 & October 2009, Westkapelle, the Netherlands.
P8 fully grown.
below: 2cy H082 April 30 2008, Playa de Pantín, Spain. Picture: Antonio Gutierrez.
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.