Black-headed Gull

Yellow ring with a black four alpha code, starting letter 'T'.

note 1 :

Dark-blue ring with a white four 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: 

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

White ring with a black four 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: 

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

Black ring with a white four alpha-numeric code, starting letter "K" followed by three numbers.
note 1 : used codes are : K001-...

note 2 :

Blue ring with a white three alpha code.

note 1 :

White ring with a black four alpha-numeric code, starting letter 'B' followed by three numbers.

note 1 : used codes are : B001 - B999.

note 2 : 45 (2015), 0 (2016), 40 (2017), 79 (2018), 38 (2019), 53 (2020), 39 (2021), 47 (2022) and 45 (2023) chicks were ringed at Lake Ptuj, Drava River, NE Slovenia, in a mixed gull and tern colony (46°24'21.31"N, 15°53'11.40"E).

note 3 : till April 2024, 181 resighting of 65 different birds abroad and 672 local resighting of 159 different birds (mostly around/in colony) were reported. 

note 4 : letter 'B' is in the lowest position (reading upwards) on the right leg, metal ring on the left leg.

note 5 : c-rings are used exclusively for ringing chicks with full-grown feathers.

note 6 :

Yellow ring with a black four alpha-numeric code (first letter H and three alpha-numerics). 

note 1 : project starts during 2019.

note 2 :  

Black ring with a white two numeric code (on left tarsus).

note 1 : between the code is a "-".

note 2 :  

Black ring with a white two alpha code (on left tarsus).

note 1 : between the code is a "-".

note 2 :  

Black ring with a white two alpha-numeric code (on left tarsus).

note 1 : between the code is a "-".

note 2 :