Gulls
species:
Black-headed Gull
scientific name:
Chroicocephalus ridibundus
notes:
Yellow ring with black four alpha code, starting letter "E" and three letters.
also used : letter E + letter + number + number (EA00-EZ99)
note 1 : used codes are EAAA-EZZZ.
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 : >2500 birds ringed (dd. 04.2017) of which 1 hybrid ridibundus x melanochepalus and >3000 resightings.
note 4 : some birds could have a orange-redish turned ring due to being in iron-oxide water (txs to Yann Becker, picture under).
note 5 :
email sighting submit:
website information:
colour-ring type:
Legring : one, coded.
colour-ring colour (of the c-ring):
Yellow [Y]
colour-ring code (of the c-ring):
Four alpha code (4 letters).
countries where ringed:
Belgium.
Images:
First letter/number (of the c-ring):
E
