Gulls

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

Yellow ring with a black four alpha-numeric code : first letter 'S' followed by three alpha-numerics.

note 1 : the first letter is always S followed by three numbers or two letters and one number.

note 2 : alle ringed gulls were pulli, ringed on the colonies on the East-Adriatic islands (Istria until Dubrovnik).

note 3 : some 5522 birds are ringed with some 1300 recoveries.

note 4 :  

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: 
Croatia.
First letter/number (of the c-ring): 
S