Skuas

species: 
Great Skua
scientific name: 
Stercocarius skua
notes: 

Black ring with a yellow four alpha-numeric code.

note 1 : birds ringed on Sule Skerry, UK.

email sighting submit: 
colour-ring type: 
Legring : one, coded.
colour-ring colour (of the c-ring): 
Black (Niger) [N]
colour-ring code (of the c-ring): 
Four alpha-numeric code (4 letters/numbers).
colour-ring position (of the c-ring): 
Tibia left.
countries where ringed: 
United Kingdom.