Gulls

species: 
Lesser Black-backed Gull
scientific name: 
Larus fuscus
notes: 

Black ring with a white four alpha-numeric code, starting letter 'A' followed by letter, number, letter.

note 1 : during spring 2005, 6 immature and 26 adults were ringed on a Asturian dump (43°29’N;05°49’W), Spain. Birds do not carry a metal ring.

note 2 :

email sighting submit: 
colour-ring type: 
Legring : one, coded.
colour-ring colour (of the c-ring): 
Black (Niger) [N]
colour-ring code (of the c-ring): 
Four alpha-numeric code (4 letters/numbers).
colour-ring position (of the c-ring): 
Tarsus left.
countries where ringed: 
Spain.
First letter/number (of the c-ring): 
A