Harriers

species: 
Western Marsh Harrier
scientific name: 
Circus aeruginosus
notes: 

Yellow ring with a black four alpha-numeric code, stating letter "P".

note 1 : project started in 2023.

note 2 :

email sighting submit: 
colour-ring type: 
Legring : one, coded.
colour-ring colour (of the c-ring): 
Yellow [Y]
colour-ring code (of the c-ring): 
Four alpha-numeric code (4 letters/numbers).
countries where ringed: 
Poland.
First letter/number (of the c-ring): 
P