Common Sandpiper

Black flag with a white three alpha-numeric code, starting letter "C" (on left tibia) and metal ring (on right tibia).

note 1 :

Black flag with a white three alpha code, starting letter "C" (on left tibia) and metal ring (on right tibia).

note 1 :

Combination of :
* yellow ring with a black two alpha code [on left tarsus].
* red ring [on right tibia] for birds ringed 2018 to 2022.
* blue ring [on right tibia] for birds ringed 2023 onwards.
* metal ring [on right tarsus]

note 1 : used letters are : A, B, C, D, E, H, J, K, L, M, N, P, S, T, V, W, X, Z.

note 2 :

Combination of :
* red ring with a two alpha code (on right tarsus).
* red or orange ring (on right tibia).
* red ring on adult, orange on juvenile.
* metal ring (on left tarsus).

note 1 : used letters and numbers for alpha code: A, C, E, H, J, L, M, P, T, U, V, X.

note 2 :

Combination of :
* red ring (on left tibia).
* two c-rings (on right tarsus).
* metal ring (on left tarsus).

note 1 : colour of c-rings: white, yellow, red, dark green.

note 2 : these birds will also be fitted with radiotags.

note 3 :

Combination of :
* 2 c-rings (on left ibia).
* 2 c-rings (on right tibia).

note 1 : used colours are : white, red, purple, black, green, blue , orange.

note 2 :

Combination of :

*dark-green flag with a two alpha-numeric code (on left tibia).

*yellow ring (on right tibia).

*metal ring (on right tarsus).

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

Combination of :
​​- 2 c-rings (on left tarsus). 
- c-ring over metal ring (on right tarsus).

note 1 : used colours are : yellow, lime, orange, black, red, dark-blue.

note 2 : 

Combination of :
* yellow ring with a black two alpha code [on left tarsus]
* red ring OR red flag (holding a geolocator) [on right tibia]
* metal ring [on right tarsus]

note 1 : used letters are : A, B, C, D, E, H, J, K, L, M, N, P, S, T, V, W, X, Z.

note 2 :

Combination of a white ring with a black two alpha code (on left tibia) and a green ring (on right tibia) and metal ring.

note 1 : used letters are : A, C, E, H, J, K, L, M, N, P, T, U, V, X, Y.

note 2 :