Gulls

species: 
Herring Gull
scientific name: 
Larus argentatus
notes: 

Dark-blue ring with white letter Y (on left tarsus) and metal ring (on right tarsus .

note 1 : a project on Herring and Lesser Black-backed Gulls that have been treated for botulism.

note 2 : an average of 35 birds per year is estimated, but during 2000 some 64 birds were released.

email sighting submit: 
website information: 
http://www.gowerbirdhospital.org.uk
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).
countries where ringed: 
United Kingdom.
First letter/number (of the c-ring): 
Y