Great Black-backed Gull (Larus marinus)
(last update: July 12, 2015)
Great Black-backed Gull (Larus marinus) NLA 6.038.628 March 2007, October 2011 & October-December 2015, IJmuiden, the Netherlands.
Ringed as 1cy metal tibia NLA 6.038.628, on October 08 2006 at IJmuiden, the Netherlands by Frank Majoor. No provenance on origin.
below: 2cy VTO 6.038.628 March 05 2007, IJmuiden.
A Dutch ringed bird with almost all scapulars 2nd generation.
below: Stef Waasdorp.
below: 5cy VTO 6.038.628 October 16 2011, IJmuiden. Picture: Maarten van Kleinwee.
Moult: P7 / P10; S2.
below: 6cy VTO 6.038.628 January 13 2012, IJmuiden, the Netherlands.
below: 10cy VTO 6.038.628 October 29 2015, IJmuiden, the Netherlands.
P7 fully grown.
below: 10cy VTO 6.038.628 December 03 2015, IJmuiden, the Netherlands.
P8 fully grown, P9>P7, P10=P5. PMS=47.