(last update: October 10, 2012)
Short index:
Herring Gulls
Yellow-legged Gulls
Lesser Black-backed Gulls
Great Black-backed Gulls
Ringed in Belgium, code: H-117289. This Belgium 6cy argenteus was ringed as pullus on July 09 2001, at Zeebrugge (51.20N 03.11E).