Lesser Black-backed Gull
scientific name: 
Larus fuscus

White ring with a black 3 alpha-numeric code : “n.xn” , where n = number and x= a letter and “.” a dot.

note 1 : used codes are the letters T, U, V, and Z, and for 2008 the letter Z was used.

note 2 : birds are ringed at Bailiwick of Guernsey, Channel Islands.

note 3 : do please take notice of the “dot” as a check character.

note 4 : Annual Reports are available on the Guernsey Gulls web site ( and also on the Guernsey Gulls Blogspot (

note 5 : 

email sighting submit: 
colour-ring type: 
Legring : one, coded.
colour-ring colour (of the c-ring): 
White [W]
colour-ring code (of the c-ring): 
Three alpha-numeric code (3 letters/numbers).
colour-ring position (of the c-ring): 
Tarsus right.
countries where ringed: