Gulls

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

Blue ring with a white one alpha code (letter 'Y').

note 1 : metal BTO ring on right leg.

note 2 : a project on Herring and Lesser Black-backed Gulls that have been treated for botulism.

note 3 : an average of 35 birds per year is estimated, but during 2000 some 64 birds were released.

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): 
One alpha code (1 letter).
colour-ring position (of the c-ring): 
Tarsus left.
countries where ringed: 
United Kingdom.
First letter/number (of the c-ring): 
Y