Lesser Black-backed Gull
scientific name: 
Larus fuscus

Dark-green legring with a four alpha code (starting letter "Y").

note 1 : after the "Y" a 'dot' is to be found followed by three letters.

note 2 : birds ringed (irrespective of sex and age) near Ijmuiden, The Netherlands.

note 3 : steel ring on opposite tibia or tarsus

note 4 : some are (presumed) hybrids Lesser Black-backed Gulls x Yellow-legged Gull.

note 5 :

email sighting submit: 
email sighting submit (2): 
colour-ring type: 
Legring : one, coded.
colour-ring colour (of the c-ring): 
Dark Green [G]
colour-ring code (of the c-ring): 
Four alpha code (4 letters).
countries where ringed: 
The Netherlands.
First letter/number (of the c-ring):