Black-headed Gull
scientific name: 
Chroicocephalus ridibundus

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) and 79 (2018) 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 September 2018, 16 resighting of 10 different birds abroad and 210 local resighting of 65 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 :

email sighting submit: 
email sighting submit (2): 
colour-ring type: 
Legring : one, coded.
colour-ring colour (of the c-ring): 
White [W]
colour-ring code (of the c-ring): 
Four alpha-numeric code (4 letters/numbers).
countries where ringed: 
First letter/number (of the c-ring):