Green Sandpiper

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

note 1 :

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

note 1 :  

Combination of :
* orange ring with two black numbers (on left tibia).
* green ring (on right tibia).

note 1 :

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

note 1 : used colouras are : white, yellow, orange, dark green, dark blue and black (niger).

note 2 :

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

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

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.

note 2 : 

Combination of 3 c-rings and a metal ring.

note 1 : used colours are : red, yellow, light-blue and black.

Combination of 3 c-rings :
* blue ring over metal ring (on right tibia)
* 1+1 or 2+0 c-rings (on both tarsus). 

note 1 :

Combination of 3 colour-rings and metal ring.

note 1 : between years 2002 and 2008 :
left tibia : white ring. 
left tarsus : metal ring.
right tibia : two c-rings (dark-blue, white, black, dark-green, red, yellow, orange). 
right tarsus : nihil.

note 2 : between years 2008 to Feb. 2012 :
left tibia : dark-blue ring.
left tarsus : metal ring.
right tibia : two c-rings (dark-blue, white, black, dark-green, red, yellow, orange).
right tarsus : nihil.

note 3 : after 2013 :
left tibia : yellow ring.
left tarsus : metal ring.
right tibia : two c-rings (dark-blue, white, black, dark-green, light-green, red, yellow, orange).
right tarsus : nihil.

note 4 : after 2018 :
left tibia : red ring.
left tarsus : metal ring.
right tibia : two c-rings (dark-blue, white, black, dark-green, light-green, red, yellow, orange).
right tarsus : nihil.

note 5 : After August 2023 :
left tibia : dark-green.
left tarsus : metal ring.
right tibia : two c-rings (dark-blue, white, black, dark-green, light-green, red, yellow, orange).
right tarsus : nihil.

note 6 : violet/mauve/purple (V) colour that I think is distinct enough to be included as part of the combinations in order to increase the number of combinations with the latest GREEN code ring.

note 7 : some birds are fitted with geolocators. The first results are hopefull and we have discovered the breeding locations for six birds – two in Norway, three in Sweden and one in Finland close to the Russian border.
See also : https://wadertales.wordpress.com/2018/04/12/green-sandpipers-and-geoloca...

note 8 : a very interesting article on "The effects of leg-loop harnesses and geolocators on the diurnal activity patterns of Green Sandpipers Tringa ochropus in winter" can be found  https://www.tandfonline.com/doi/full/10.1080/03078698.2017.1437886

note 9 :