Gulls

species: 
Caspian Gull
scientific name: 
Larus cachinnans
notes: 

White wingtag with a black three alpha-numeric code.

note 1 : used codes are : letter "E" followed by a letter and a number.

note 2 :  

email sighting submit: 
colour-ring type: 
Wingtag : coded.
colour-ring colour (of the c-ring): 
White [W]
colour-ring code (of the c-ring): 
Three alpha-numeric code (3 letters/numbers).
countries where ringed: 
Germany.
First letter/number (of the c-ring): 
E