Gulls

species: 
Great Black-backed Gull
scientific name: 
Larus marinus
notes: 

Yellow ring with black code : n.xxn , where n=number, x=letter and the dot is a check code.

note 1 : all birds are ringed in the Bailiwick of Guernsey.

note 2 : Annual Reports are available on the Guernsey Gulls web site (www.guernseygulls.co.uk) and also on the Guernsey Gulls Blogspot (www.guernseygulls.blogspot.com).

note 3 : 235 birds ringed by end of 2012.

note 4 : 

website sighting submit: 
Bailiwick of Guernsey colour-ringed Gulls
email sighting submit: 
contactperson: 
Wayne Turner
website information: 
Guernsey Gulls
colour-ring type: 
Legring : one, coded.
colour-ring colour (of the c-ring): 
Yellow [Y]
colour-ring code (of the c-ring): 
Four alpha-numeric code (4 letters/numbers).
countries where ringed: 
Guernsey.
Images: