Whooper Swan

Black ring with a white three alpha-numeric code.

note 1 :

Red ring with a white three alpha code.

note 1 :

White ring with a black three alpha code.

note 1 : used codes are  DAA-DCZ, EBA-EYZ.

note 2 :

Yellow ring with a black three alpha code.

note 1 : used codes are AAA-ZZZ.

note 2 : used codes starting RAA to RAZ and all birds ringed in the Nenets Autumonus Okrug region of Russia (except RAL).

note 3 :

Yellow neckband with a black four alpha-numeric code.

note 1 : used codes are 0R51-0R60 and AT25. 

Yellow neckband with a four alpha-numeric code.

note 1 : used codes are : 2R00-2R99, 4R00-7R99, 8R00-8R99, 9R00-9R11.

note 2 : birds of the serie 9R00-9R11 have a GPS-logger.

note 3 :

Yellow neckband with a black four alpha-numeric code.

note 1 : used codes are 1R00-1R99, 3R00-3R99, 0T00-0T99 and 2T00-2T99, 3T00-3T99, 0U00-0U99 and 2U10-2U14 (these 5 with mounted GPS transmitters).

note 2 : https://submit.cr-birding.org/projects/177/

note 3 :
 

Blue neckband with a white four alpha-numeric code (number / letter / number / number).

note 1 : used codes are 1C00-1C99, 2C00-2C99, 3C00-3C99, 4C00-4C99, 5C00-5C99,6C00-6C99, 8C00-8C99, 9C00-9C99, 0E00-0E99, 1E00-1E99, 2U21, 2U22, 2U50-2U52, 2U54-2U59, 2E00-2E99, 3E00-3E99, 4E00-4E99, 5E00-5E99,  6E00-6E99 7E00-7E99 8E00-8E99 9E00-9E99 ... or also number / letter' Y'/ number / number.

note 2 : neck collars CT30 and CT39 are used on Whoopers.

note 3 : recent used codes : 0Y00-0Y99, 1Y00-1Y99, 2Y00-2Y99, 3Y00-3Y99, 4Y00-4Y99.

note 4 :

Dark-blue neckband with a white four alpha-numeric code.

note 1 : used codes are 7C00-7C99, 2H00-2H99, 3H00-3H99, 4H00-4H99.

note 2 :