Raptors
One engraved (black) anodized aluminium ring with 2 alpha-numeric code and a metal ring.
note 1 : this scheme is coordinated by the Institut Català d'Ornitologia : ICO, http://www.ornitologia.org/ca
* red rings with white code : Catalonia (2008-2015), Balearic Islands (2015).
* blue rings with white code : Andalucía (2011).
* green rings with white code: Castilla y León (2011-2015), Castilla La Mancha, Madrid, Navarra, La Rioja (2015)
* black rings with white code: Comunidad Valenciana (2015).
Other colours/areas that are not used at all but that we plan to be used in the future are :
* green rings with white code : Euskadi, Aragón.
* blue rings with white code : Extremadura.
* brown : Portugal (not confirmed).
* violet : France (not confirmed).
note 2 :