Black-headed Gull

Red ring with a white one alpha-numeric code (on left tarsus) and a red ring with one alpha-numeric code and metal ring on (right tibia).

note 1 : letters AA to AM used.

note 2: birds are ringed in the nest during breeding season 2004 on Normandy lagoon Lymington.

Red ring with a white two alpha-numeric code.

note 1 : old red rings are turning pink.

note 2: a "." sign is to be read within the codes.

note 2 : code used is lettter/number (A2-Z9) and number/letter (1A-9Z). 

note 3 : some 850 red rings will be used from 2004 until 2010.

note 4 : all birds ringed during winter in city-parks.

note 5 : all rings have to be read from bottom to top.

Red ring with a white four alpha-numeric code.

note 1: code is PAU7.

note 2 : this bird was paired with a Mediterranean Gull and incubated ; normally this type of code is used for Mediterranean Gull.

Red ring with a white four alpha-numeric code :
- first letter N followed by a number/number/P  : N01P - N00P
- first letter N followed by a three alpha-numeric code.

note 1 : birds are ringed in the Douro Valley, Castilla y León (North-Spain).

note 2 :

Red ring with a white four alpha-numeric code (first letter V and three numbers).

note 1 : used codes are : V001-V000.

Yellow ring (on left leg) and metal ring (on right leg).

note 1 : during 1999 some 180 chicks have been ringed in Aberdeen, Scotland.

Yellow ring with a black three alpha-numeric code.

note 1 : used codes are 001-YYY.

Yellow ring with a black four alpha-code (first letter I). 

note 1 : used codes are IAAA-ICZZ.

note 2: letters used are A, B, C, D, F, H, J, K, L, N, P, S, T, V, Z.

note 3: birds are ringed by Adriano Talamelli near the Adriatic coast.

note 4 : for marking scheme info. , please refer to : stefano.volponi@isprambiente.it

note 5 :

Yellow ring with a black four alpha-numeric code (first letter N).

note 1 : used codes are N100-N599.

note 2 : birds are ringed on the local rubbish dump of Salamanca (W.Spain).

note 3 :

Yellow ring with black two alpha-numeric code (on left tarsus).

note 1 : used codes are number/letter (1A-9Z) and letter/number (A1-Z9).

note 2: a "." sign is to be read within the codes.

note 3 : old yellow rings are turning white.

note 3: some 850 birds are ringed from 1996 until 1999. Most of these rings are fallen off.

note 4: all birds ringed during winter in city-parks.

note 5: all rings have to be read from bottom to top.