Red Knot
scientific name: 
Calidris canutus
ref. number: 
IWSG 3305A
3305B and 3461B

Combination of :
* orange flag with a black three alpha-numeric code (on left tarsus).
* green or pale-blue or yellow ring (on left tarsus).
* metal ring (on right tarsus).

note 1 : used letters and numbers are : A, C, E, H, J, L, M, P, T, U, V, X and 0-9.

note 2 : three-letter and number-letter codes are used.

note 3 :

email sighting submit: 
Rose Maciewicz
colour-ring type: 
Flag : combination of coded flag and legring(s).
colour-ring colour (of the c-ring): 
Orange [O]
colour-ring code (of the c-ring): 
Three alpha-numeric code (3 letters/numbers).
colour-ring position (of the c-ring): 
Tarsus left.
countries where ringed: 
United Kingdom.