Lesser Black-backed Gull (graellsii & intermedius)
(last update: May 17 2015)
Lesser Black-backed Gull graellsii X||J 2CY, June 29 2017, Utrecht, the Netherlands.
Yellow tibia Y-X||J and metal Arnhem NLA 5.512.611. Ringed as pullus on June 26 2016, at Krammer-Volkerak (Krammerse Slikken), the Netherlands (5139.00 N 414.00 E), by ringer Roland-Jan Buijs.
Graellsii type with advanced post-juvenile moult on the wintering grounds. Now in complete moult: P2/P6, P3 growing.