Gulls

species: 
Herring Gull
scientific name: 
Larus argentatus
notes: 

Red ring with a white four alpha-numeric code :
- number / number / number / ":"/ letter 'D' (on  left tarsus).
- letter / number / number / ":"/ letter 'D' (on  left tarsus).

- number / letter / number / ":"/ letter 'D' (on  left tarsus).

note 1 : some 200 birds HG/LBbG/GBbG are ringed in Dublin during 2017.

note 2 : 

email sighting submit: 
colour-ring type: 
Legring : one, coded.
colour-ring colour (of the c-ring): 
Red [R]
colour-ring code (of the c-ring): 
Four alpha-numeric code (4 letters/numbers).
colour-ring position (of the c-ring): 
Tarsus left.
countries where ringed: 
Ireland.
Last letter (of the c-ring): 
:D