Gulls

species:

Black-headed Gull

scientific name:

Chroicocephalus ridibundus

notes:

Yellow ring with black four alpha-numeric code, starting letter 'E' and letter/number/number.
also used : letter E + letter + letter + letter (EAAA-EZZZ).

note 1 : used codes are EA00-EZ99.

note 2 : used letters are A, E, H, J, K, L, M, N, P, R, S, T, U, V, X, Y.

note 3 : the project concerns breeding birds and pulli from a Belgian colony : for the 4 alpha-code >2500 birds ringed (dd. 04.2017) of which 1 hybrid ridibundus x melanochepalus and >3000 resightings.

note 4 :

email sighting submit:

website information:

Belgian Black-headed Gull colourringproject

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:

Belgium.

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