Gulls

species: 
Caspian Gull
scientific name: 
Larus cachinnans
notes: 

Yellow ring with a black 4 alpha-numeric with these used codes : 

* number / letter "L" / number / number.
* number / letter "L" / number / letter.
* number / letter "L" / letter / number.
* number / letter "L" / letter / letter.

OR

* letter "L" / number / number / number.
* letter "L" / number / number / letter.
* letter "L" / number / letter / number.
* letter "L" / letter / number / number.
* letter "L" / number / letter / letter.
* letter "L" / letter / letter / number.
* letter "L" / letter / number / letter.

note 1 : rings were used on chicks and adults both Caspian Gulls and Herring as well as on their hybrids.

note 2 : letter "B" is not used as last letter. 

note 3 : 

email sighting submit: 
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: 
Lithuania.