Lesser Black-backed Gull (graellsii & intermedius)

(last update: May 17 2015)

Lesser Black-backed Gull V6TE July 2012 - August 2014, Utrecht, the Netherlands. Picture: Herman Bouman.

Ringed intermedius, ringed as pullus in 2011 in Denmark.

Lesser Black-backed Gull 4cy V6TE August 14 2014, Utrecht, the Netherlands. Picture: Herman Bouman.

P7-P10 old, with mirror on P10. Old secondaries with much dark brown in centres.

Lesser Black-backed Gull 3cy V6TE July 24 2013, Utrecht, the Netherlands. Picture: Herman Bouman.

P5-P10 old.

Lesser Black-backed Gull 2cy V6TE July 16 2012, Utrecht, the Netherlands. Picture: Herman Bouman.

P4/P7. All visible wing-coverts and tertials replaced already at winter quaters. Currently, new 3rd gen feathers growing in at median & lower lesser covert rows. Almost all tail feathers were included in winter moult (late post-juvenile moult which may take place in March-April).