Parakeets

species: 
Ring-necked Parakeet
scientific name: 
Psittacula krameri
notes: 

Black metal plate with a three alpha-numeric code (letter/number/number) around neck.

note 1 : a joint-venture project of Centrum voor Milieuwetenschappen (CML) / Uni. Leiden (The Netherlands) and City Parrots together with Vogeltrekstation.

note 2 : study started in 2013.

note 3 :

colour-ring type: 
Neckband.
countries where ringed: 
The Netherlands.
Images: