Skuas

species: 
Great Skua
scientific name: 
Stercocarius skua
notes: 

Dark-blue ring with an orange two alpha code.

email sighting submit: 
colour-ring type: 
Legring : one, coded.
colour-ring colour (of the c-ring): 
Dark Blue [B]
colour-ring code (of the c-ring): 
Two alpha code (2 letters).
countries where ringed: 
United Kingdom.