Gulls

species: 
Lesser Black-backed Gull
scientific name: 
Larus fuscus
notes: 

Yellow ring with a black four alpha-numeric code, starting letter 'H'.

note 1 : Hxxx, where xxx stands for numbers and letters.
note 2 : examples  are H99X, H123, HA67, HX43, H789, H23A.
note 3 : rings are to be read from bottom to top, most rings have a “checkpoint”.
note 4 : birds are ringed at Amrum (SH) (700) and at Helgoland (SH) (600) and at other places in Schleswig- Holstein.
note 6 : some rings are used at Herring Gulls, see this species.

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