Black-tailed Godwit
scientific name: 
Limosa limosa
ref. number: 
IWSG 3404B

Combination of :
* black flag with a two alpha-numeric code (on right tibia).
* yellow ring (on left tibia)

note 1 : used letters and numbers for alpha-numeric code: A, C, E, H, J, K, L, M, N, P, T, U, V, X, Y, 0-9

note 2 : any combination of letter/letter ; number/letter ; letter/number.

note 3 : https://www.rug.nl/research/gelifes/ceg/_pdf/godwit_colour_ring.pdf

note 4 :

email sighting submit: 
email sighting submit (2): 
Tomasz Mokwa
colour-ring type: 
Flag : combination of coded flag and legring(s).
colour-ring colour (of the c-ring): 
Black (Niger) [N]
colour-ring code (of the c-ring): 
Two alpha-numeric code (2 letters/numbers).
countries where ringed: