Yellow-legged Gull

White ring with a black four alpha-numeric code, starting letter 'N' followed by a colon (:), the numbers "1" or "2" and two letters .

note 1 : the birds are ringed on the city of Ceuta (Spain).

note 2 : four alpha-numeric code "N:1LL". "LL" are two letter starting for "NA".

note 3 : four alpha-numeric code "N:2LL". "LL" are two letter starting for "AA".

note 4 :

Blue ring with a white four alpha-numeric code : starting letter 'G' followed by a coolon ":" , number / number / letter.

note 1 :

Blue ring with a white three alpha code.

note 1 : used codes are : ZAA, ZAB ~~ ZZY, ZZZ.

note 2 :

Blue ring with an orange three numeric code.

note 1 :

Blue ring with an orange three letter code.

note 1 :

Blue ring with a white four alpha-numeric code : starting letter 'S'.

note 1 : the first letter is always S followed by three alpha-numercis.

note 2 : alle ringed gulls were pulli, ringed on the colonies on the East-Adriatic islands (Istria until Dubrovnik).

note 3 : some 5522 birds are ringed with some 1300 recoveries. 

note 4 :

Dark-brown ring with a white four alpha-numeric code.

note 1 : first letter always N.

note 2 : the brown ring looks black.

note 3 : since 1995 some 3600 birds have been ringed on the Medes Islands (Northeastern Spain).

note 4 :

Blue wingtag with a white code : 1, 2 or 3 symbols.

note 1 : 9 cachinans and 4 michahellis have been ringed in Central-Poland with a blue tag with a single white letter. (contact : Greg Neubauer, grechuta@stornit.gda.pl ].

note 2 :

Combination of 4 c-rings.

note 1 :

Combination of 1 c-ring (on left leg) and 1 c-ring and metal ring (on right leg).

note 1 :  during the early '90-ties some 10 birds were ringed with green or black (on left leg) and black or white (on right leg).

note 2 :