Gulls

species: 
Herring Gull
scientific name: 
Larus argentatus
notes: 

Ring with code (1 letter or number or 1, 2, 3 horizontal line).

note 1 : the project has been finished, sightings are -as always- welcome and will be answered.
note 2 : the two rings (2.5cm high) on each leg are typical for this project.
note 3 : the inscription on the blue, green, red and black rings is white, while the inscription on the yellow, orange and white rings black is.
note 4 : there is a variation in the rings with horizontal lines. 1 horizontal line can be on top or in the middle. 2 horizontal lines can be on top, in the middle or 1 on top and 1 on bottom. The ringcode is as followed : 1 horizontal line is - , two horizontal lines is "F" and 3 horizontal lines are "3". Of course the letter F and the number 3 is not used in the combinations.

colour-ring type: 
Legring : one, coded.
colour-ring code (of the c-ring): 
One alpha code (1 letter).
countries where ringed: 
Germany.