Black-headed Gull

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: Since 2024 codes with a bar are used, used codes are A|A-Z|Z, 0|A-9|Z, A|0-Z|9 and 0|0-9|9

note 5 : 

Yellow ring with a black four alpha-numeric code (first letter "A" followed by two letters and one number).

note 1 : used codes are during 2001: AAA0-AAP9.

note 2 : used codes during 2002-2004 : AAR0-ACP7.

note 3 : used codes during 2005-2011: ACP8-AEH1.

note 4 : further codes used.

note 5 :

Yellow ring with a black four alpha-numeric code, starting letter "K". 

note 1 : used codes are K000-K999, KA00-KZ99 and K00A-K99A, K00C-K99C, K00E-K99E.

note 2 : 

Dark-green with a white four alpha-numeric code, starting letter 'C'.  

note 1 : up to 2014, a total of 1365 ring werd delieverd during 1995-1998.

note 2 :

Dark-green ring with a white four alpha-numeric code (starting number "2).

note 1 : several ringers participate(d) on the project : for details and direct contact information for the project leader, please, click on the following link or see below : 

https://app.bto.org/static/files/euring/Black-headed_Gull_UK.pdf

Dark-green ring with a white one alpha code (on left leg) and a dark-green ring with a one alpha code and metal ring (on other leg).

note 1 : letters AA to BL used.

note 2: birds are ringed in the nest during breeding season 2004 on Brownsea Island Poole harbour.

Combination of four rings (on right and left tibia).

note 1 : used colours are white, yellow, orange, red, blue, pistachio-green, dark-green and black.

Yellow wingtag with a two alpha-numeric code. 

note 1 : yellow wingtag has 1 or 2 letters/numbers.

note 2: between 1992 and 1995 1063 birds have been wingtagged (783 white, 265 yellow and 15 blue).

note 3: no more birds have been tagged since winter 1994/95.

note 4: blue wingtags are reserved for future in this program and most of the birds must have lost their tags (yellow looks very fade yellow, rather whitish).