Swans

species: 
Mute Swan
scientific name: 
Cygnus olor
EURING code: 
01520
notes: 

Yellow neckband with a black for alpha-numeric code (first letter P) and a yellow legring (with the same code). 

note 1 : series PC51-PC99+PC00, PE01-PE99+PE00, PH01-PH99+PH00 and the letters PJ and PK are used.
Soon to be used : PN00-PN99, PP00-PP99, PT00-PT99, PU00-PU99, PV00-PV99.

note 2: during the period 1989-1993 some 250 pulli have been ringed ; during the period 1999-2000 some 200 pulli were ringed ; during the period 2016-2020 some 500 birds will be ringed.   

note 3 :

email sighting submit: 
snailmail sighting submit: 
Zwanenwerkgroep Avifauna Groningen, p/a Jeroen Nienhuis, Veldstukken 15, 9761 JX Eelde, The Netherlands.
colour-ring type: 
Neckband.
colour-ring colour: 
Yellow [Y]
colour-ring code: 
Four alpha-numeric code (4 letters/numbers).
countries where ringed: 
The Netherlands.
First letter/number: 
P