Lesser Black-backed Gull graellsii BLB L-902350 adult, September 14 2015, Boulogne-sur-Mer, NW France. Picture: Jean-Michel Sauvage.
Data pending, probably pullus hatch year 2005. Bird ringed in Belgium, a continental graellsii population sometimes referred to as 'Dutch intergrades' between British graellsii and Scandinavian intermedius.
Complete moult: P5 fully grown, P8-P10 old. Central GC missing, exposing the old secondaries underneath. Tail old.
|