Red Knot

Combination of :
​* metal ring (on right tibia).
​* yellow flag with a black three alpha-numeric code [number/number/letter) (on right tarsus).
* yellow ring (on right tarsus).
OR
* yellow ring (on right tibia).
​* yellow flag with a black three alpha-numeric code [number/number/letter) (on right tarsus).
* metal ring (on right tarsus).

note 1 : used letters and numbers : A, C, E and 0-9 (for the first project) and E, H, K, M, N, P, T and 0-9 (for the second project).

note 2 :

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

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

note 2 : letter-letter, letter-number, number-letter and number-number codes are all used.

note 3 :

Combination of :
* yellow ring (on left tibia).
* metal ring (on left tarsus).
* red flag with a white three alpha-numeric code (on right tibia).

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

note 2 :

Combination of :
* red ring with a white two numeric code (on left tibia).
* dark-blue ring (on right tibia).
* metal ring (on right tarsus).

note 1 : 

Combination of :
* yellow flag with a black three alpha code (on left tibia).
* red ring (on right tibia)
* metal ring (on right tarsus).

note 1 : birds ringed in North-Norway during 2006-2009 and 2013. 

note 2 : letters used: A, C, E, H, J, K, L, M, N, P, T, U, V, X, Y.

note 3 :