Gulls

species:

Black-headed Gull

scientific name:

Chroicocephalus ridibundus

notes:

Dark-blue ring with a white four alpha-numeric code (starting letter "N" followed by two numbers and one letter).

note 1 : used letters are A, B, C, F, H, J, K, L, M, N, P, R, S, T, U, V, W and X.

note 2 : used numbers are 0-9.

note 3 : birds ringed since 2008.

note 4 : Albert Cama initiated this project. From 2014 EBD manages the codes.

note 5 :

website sighting submit:

email sighting submit:

website information:

colour-ring type:

Legring : one, coded.

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

Dark Blue [B]

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

Four alpha-numeric code (4 letters/numbers).

countries where ringed:

Spain.

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