Gulls

species: 
Caspian Gull
scientific name: 
Larus cachinnans
notes: 

Black ring with a white four alpha-numeric code (number, number,numrber followed by ":B".

note 1 : used codes are : 001:B, 002:B ... 999:B, 000:B

note 2 : birds ringed in Bombay, India.

email sighting submit: 
contactperson: 
Tuhina Katti, Bombay Natural History Society.
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).
countries where ringed: 
India.
Last letter (of the c-ring): 
:B