Greylag Goose

Green neckband with a white four alpha-numeric code (letter "H" and 3 numbers OR letter"H"/letter/number/number).

note 1 : used codes are : H000-H999 ; HA90 ... HD00-HD99.

note 2 :

White neckband with a black three alpha-numeric code (letter and two numbers 90° rotated) , starting letter 'T' or 'V'.

note 1 :

White neckring with a black three alpha-numeric code.

note 1 : rings are with GPS-GSM module.

note 2 : letter/number/number behind each other.

note 3 : an austrian project has white neckbands with one letter and two numbers 90° turned : see https://cr-birding.org/node/5606

note 4 :

White neckband with a black three alpha-numeric code : letter and two numbers 90° rotated, starting letter 'K'.

note 1 : used codes K00-K98.

note 2 : reading direction bottom-up.

note 3 : see also the Swedish project : https://cr-birding.org/node/5617

note 4 :

Yellow neckband with a black four alpha-numeric code, starting letter 'H',

note 1 : used codes H293-H500.

note 2 :

White neckband with a black three alpha-numeric code.

note 1 :  GPS-tags which also have black solar panels.

note 2 :

Blue neckband with a white three alpha-numeric code (one vertical and two horizontal).

note 1 :

Yellow neckband with a black four alpha-numeric code, starting letter "X" followed by three numbers.

note 1 :

Blue ring with white 3 numeric and Helgoland-metal ring (on other leg).

note 1 : geese are ringed in Hamburg and Schleswig-Holstein. We ring breeding birds and families. We ring around 90% of the geese as young birds.

note 2 : used codes from  2002 till 2021: 000 - 999, 00A - 99A, 00B - 99B, 00C - 99C, 00M - 99M, 00R - 99R, 00V - 99V, 0C0 - 0C9, 0E0 - 0E9, 0H0 - 5H9, 0J0 - 0J9, 0K0 - 5K9, 0L0 - 0L9, 0P0 - 9P9, 0S0 - 0S9, 0T0 - 9T9, 0U0 - 9U9, 1A0 - 9A9, N00 - N99, R00 - R99, X00 - X49, RE0 - RE9.

note 3 :

White neckband with a black three alpha-numeric code : letter and two numbers 90° rotated.

note 1 : starting letter X , with codes X00 till X30 used for GPS-transmitter.  

note 2 : the GPS-neckrings X16, X17 and X18 are light grey coloured.

note 3 :