Gulls

species:

Great Black-backed Gull

scientific name:

Larus marinus

notes:

Blue ring with a white three alpha-numeric (1 letter and 2 numbers)
Blue ring with a white three alpha-numeric code (1 letter/1 number/1 letter)

First project :
note 1 : birds are ringed as pullus at the Rothiesholm Head, Stronsay, Orkney, Scotland;
note 2 : the following letters have not been used B, D, F, G, I.
note 3 : colour-ring on left leg; BTO metal ring on right leg.
note 4 : used code for 2003 : A00-A99. (100 birds)
note 5 : used code for 2004 : C01-C00 and E51-E73. (123 birds)
note 6 : used code for 2005 : E01-E10 & E74-E87. (24 birds)
note 7 : used code for 2006 : E11-E21 and E88-E00. (24 birds)
note 8 : used code for 2007 : E22-E50 and H51-H00. (79 birds)
note 9 : used code for 2008 : H50-H76. (27 birds)

Second project :
note 1 : birds are ringed as pullus at a colony on the island of Eilean Hoan, North West Scotland.
note 2 : used code for 2003: H (number) (letter) H2A-H9T (104 birds)
note 3 : colour-ring on right leg ; BTO metal ring on left leg.

Third project :

note 1 : birds are ringed as pullus at the Caithness colonies, north of Helmsdale, North East Scotland.
note 2 : used code for 2012 : L01-L15. (15 birds)
note 3 : used codes for 2013 : L16-L30, L51. (14 birds)
note 4 : used codes for 2014 : L33-L70. (38 birds)
note 5 : used codes for 2015 : L71- L00, H81-H86. (36 birds)
note 6 : used codes for 2016 : H77-H80, H87-H94. (12 birds)

email sighting submit:

colour-ring type:

Legring : one, coded.

colour-ring colour (of the c-ring):

Dark Blue [B]

colour-ring code (of the c-ring):

Three alpha-numeric code (3 letters/numbers).

countries where ringed:

Scotland.

Images: