Black-tailed Godwit

Combination of :
* pale-blue flag (on left or right tibia) with a black two alpha OR two numeric OT two alpha-numeric code.
* red ring below and metal ring (on other tibia).

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

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

note 3 : ringed as pullus at SPA “Unterelbe”, (Germany) since 2023.

note 4 :

detailed information on : Illustrated Key for Black-tailed Godwit cr-schemes.
https://www.rug.nl/research/gelifes/ceg/_pdf/btgodwit-key-v7.pdf

Combination of :
* lime flag with a black three letters/numbers and below a blue ring (on left leg) and right nothing.
* green flag with three white letters/numbers and below a green ring (on left leg) and right nothing.

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

note 2 : pictures :
https://www.rug.nl/research/gelifes/ceg/_pdf/btg_kleurringen_rug.pdf

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

note 4 :

Combination of :
* orange flag with a two alpha code (on right tibia).
* dark green ring (on left tibia).
* metal ring (on left tarsus).

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

note 2 :

Combination of :
* orange ring 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 for alpha-numeric code: A, C, E, H, J, K, L, M, N, P, T, U, V, X, Y and 0-9.

note 2 :

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 :

Combination of :
* c-ring over black flag (on left tibia).
* 2 c-rings (on right tibia).
* metal ring (on right tarsus).

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

note 2 : the birds are ringed on the Humber estuary, east-coast of England.

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

note 4 :

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

note 1 : used numbers : 00-99.

note 2 :  https://www.rug.nl/research/gelifes/ceg/_pdf/godwit_colour_ring.pdf

note 3 :

Combination of :
* white flag with a two alpha-numeric code (on left tibia).
* lime ring with black engraved E (on right tibia) (scheme marker).

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 (AA-YY, 00-99, A1-Y9).

note 2 : https://www.rug.nl/research/gelifes/ceg/_pdf/godwit_colour_ring.pdf

note 3 :

Combination of :
* two colour rings (on left tibia).
* one colour ring above scheme marker (on right tibia).
* scheme marker - lime colour ring with black engraved E.

note 1 : used colours are : red, orange, yellow, dark green, lime, white, dark blue and black.

note 2 : black is only used on the lower colour ring on the left tibia..

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

note 4 : see also : https://wadertales.wordpress.com/

note 5 :

Combination of :
* red 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 :