Lesser Black-backed Gull (graellsii & intermedius)

(last update: June 25, 2012)

Lesser Black-backed Gull 3-4cy YK June 2009 & August 2010, Barneveld, The Netherlands.

Ringed as pullus on June 14 2007 at Moerdijk, The Netherlands. Arnhem 5420815.

below: 4cy YK August 11 2010, Barneveld, The Netherlands. Picture: Maarten van Kleinwee.

Fourth-calendar year Lesser Black-backed Gull, moulting to winter plumage; P1 and P2 are new and fully grown, P3 is almost fully grown, P4 is half size, P5 has been dropped.
Moulting score: 18 (P1=5, P2=5, P3=4, P4=3, P5=1, P6=0, P7=0, P8=0, P9=0, P10=0).

below: 3cy YK June 24 2009, Barneveld, The Netherlands. Picture: Herman Bouman.

Classic bird with dark tail-band.