Gulls

species:

Black-headed Gull

scientific name:

Chroicocephalus ridibundus

notes:

Yellow ring with a black four alpha-numeric code (starting 2, then 'xxn'' where 'x' is a letter and 'n' a number.

note 1 : used codes are : 2AA0-2AY9 , 2BA0-2BY9 , 2CA0-2CY9 , 2EA0-2EY9 ,

note 2 :

email sighting submit:

colour-ring type:

Legring : one, coded.

colour-ring colour (of the c-ring):

Yellow [Y]