Herring Gull

Combination of two rings [(black ring with a 2 alpha-numeric code) and white ring with letter “A”) and a metal ring.

note 1: used colours are black (below) and white (above). Reading upwards.

note 2: flying birds carry a black ring with 2 alphanumeric code and a white ring with the letter A on right tarsus. Metal ring is on the left tibia.

note 3: pulli carry a black ring with 2 alphanumeric code and a white ring with the letter A on left tarsus. Metal ring is on the right tibia.

note 4 : letters not used : B, D, G, I, O, Q.

note 5 :

Black ring with a yellow 4 alpha-numeric code (starting letter 'T') (on left tarsus) and BTO-metal ring (on right tarsus).

note 1 : last position uses each letter of the alphabet and * is a number from 0-9.

note 2 : used codes are T*TR through to T*TZ ; T*UA through to T*UZ ;  T*VA through to T*VZ ; T*WA through to T*WZ ; T*XA through to T*XZ ; T*YA through to T*YZ ; T*ZA through to T*ZZ.

note 3 : birds are ringed on the Isle of Man, British Isles.

note 4 : 

White ring with 4 alpha-numeric code : nxxn (where n = number and x = letter - with the dot as the check character).

note 1 : birds are ringed in the Bailiwick of Guernsey. This is a successor to the project run by Jamie Hooper from 1998 – 2007.
note 3 : the position of the dot is important.
note 4 : Annual Reports are available on the Guernsey Gulls web site (www.guernseygulls.co.uk) and also on the Guernsey Gulls Blogspot (www.guernseygulls.blogspot.com).

White ring with a blue 3 alpha-numeric code (on right tarsus) and metal ring (on left tarsus).

note 1 : the project runs on Guersney-island.
note 2 : birds are ringed in the Bailiwick of Guernsey. This is a successor to the project run by Jamie Hooper from 1998 – 2007 (see below).
note 3 : the ‘2009 Guernsey Gulls Report’ is available on the Guernsey Gulls web site (http://www.guernseygulls.co.uk) and also on the Guernsey Gulls Blogspot (http://www.guernseygulls.blogspot.com).

White ring with black 4 alpha-numeric code (starting letter 'C').

note 1 :  Cxxx (where x is a number or letter).
note 2 : 10000 white rings were delivered 1993-2003.
note 3 : many rings have also small text MUS FINLAND or MUS Z FINLAND.
note 4 : recent years some small check marks were added in the code (spots, underlines). Please, report them also.
note 5 : a similar project exists on Lesser Balack-backed Gull. The LBBGull c-ringing-project has been very successful. In ten years we have got almost 70000 reads from 4000 individuals. Now about 8000 reads/1000 individuals are made yearly. Before read ringing there were only 2000 found (about 50 ones/year) from 50.000 metal ringed LBbGs. The population of nominate LBBG (L. fuscus fuscus) has been strongly decreasing in Finland. It crashed to half of the one of the 1970’s and the bird was taken to the Red Book of Finnish Birds.

White ring with black 4 alpha-numeric code (starting letter 'K').

note 1 : KJxx or KRxx (where x is a number or a letter).
note 2 : 350 ringed in Russian Karelia during 2002-2007 ; some without metal ring.
note 3: recent years some small check marks has been added in the code (spots, underlines) : please, report them also. 

White ring with black 4 alpha-numeric code (starting letter 'K').

note 1 : Knnn or Kxnn and Knnx (where n is a number and x a letter (no KJnn).
note 2 : almost 2000 birds ringed mostly on the White Sea.
note 3 : a 'close' project is coded KJxxx and KJxx (Risto Juvaste).

White ring with black 5 alpha-numeric code (starting letter 'K').

note 1 : used codes are : KJnnx (where n is a number and x a letter).
note 2 : 50 birds ringed in Russian Karelia during 2001.
note 3 : No metal ring.

White ring with 4 alpha-numeric code (starting letter 'A' followed by a combination of 1 number and 2 letters) (on right tarsus).

note 1: the metal BTO is fitted on the left leg.

note 2 : used black codes are A1AA - A1ZZ ,  A2AA - A2ZZ , A3AA - A3ZZ , A4AA - A4ZZ , A6AA - A6ZZ , A7AA - A7ZZ.

note 3 : used red codes are A5AA - A5ZZ.

note 4 : codes will be used till A9**. The wild gull chicks have been ringed on roof nests along the south coast.

note 5 :

White ring with a black 5 alpha-numeric code (starting letter 'M') (on right tarsus) and metal ring (on left tarsus).
note 1 : birds are ringed at Lilla Karlsö, Gotland, Sweden.