Greylag Goose

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

note 1 :

Dark-blue legring with a white for alpha-numeric code, starting letter "D" followed by three numbers.

note 1 : used codes are : D000-D999.

note 2 : ringed birds are juveniles.

note 3 : adult -ringed- birds have also a neckband.

note 4 :

Dark-blue neckband with a white for alpha-numeric code, starting letter "D" followed by three numbers.

note 1 : used codes are : D000-D999.

note 2 : adults with GPS-tag have the three numbers glued to the tag, e.g. D007 is only 007 (due to limited space).

note 3 : ringed birds are adults and have also a legring (same code).

note 4 : juvenile birds have only a legring.

note 5 :

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 :