Glaucous Gull

White ring with a black 3 alpha code.

note 1 : birds ringed near the Kongsfjorden, Svalbard, Norway.

Red ring with a white 2 alpha code.

note 1 :

Black ring with a white four alpha-numeric code : starting letter 'J'.

note 1 :

Black ring with a five alpha-numeric code : starting letter 'J and four letters/numbers.

note 1 : birds are ringed in South-Norway.

Dark-blue ring with a four alpha-numeric code : starting letter 'J and three letters/numbers. 

note 1 : birds are ringed in South-Norway.

Yellow ring with a black 4 alpha-numeric code : starting letter 'T' followed by a colon and 3 numbers (on left leg) and metal ring (on right leg).

note 1 : birds ringed on north Aberdeenshire coast, North East Scotland.

note 2 : by early 2013 only a single bird ringed (in late 2011), which was last sighted in Yorkshire, England, in late April 2012.

note 3 :