Gulls

species: 
Yellow-legged Gull
scientific name: 
Larus michahellis
notes: 

Yellow ring with a white four alpha-numeric code (starting letter 'H') (on one leg) and metal ring (on other leg). 

note 1 : rings are to be read from bottom to top, most rings have a “checkpoint”.

note 2 :  birds are ringed with combinations like H234, H4A4 etc.

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: 
Germany.
First letter/number (of the c-ring): 
H