Common Raven

White ring with a red two alpha code (on left leg) and metal ring (on right leg).  

note 1 :

Combination of 1 c-ring (on left tarsus) and 1 c-ring over metal ring (on right tarsus).

note 1 : used colours are white, blue, red, green, yellow, orange, grey, brown, maroon.

note 2 : project starts during 2015. 

note 3 :    

Legring with a symbol.

note 1 : used colours are :
white and yellow with a black symbol ; green, orange, red, blue with white symbols : triangel, diamond, stripes, spiral.

note 2 : birds ringed during 2007-2010.

note 3 :   2 coloured metal rings on opposite leg as coded ring.

note 4 : additional wingtags have been placed.

Yellow ring with a black four alpha-numeric code : 2 letter and 2 numbers.

note 1 : 2 coloured metal rings on opposite leg as coded ring.

note 2 : additional wingtags have been placed.

note 3 :

Combination of a coded (three alpha-numeric : 2 letters and 1 number) ring (on one leg) and either two uncoded metal rings (on the other leg) or one uncoded plastic ring (red/yellow/green).

note 1 : used colours for coded rings are :
green, white, orange with black code.
blue, red, green, orange with white code.
white with red code.
black with yellow code.

note 2 : metal ring or uncoded plastic ring on opposite leg as coded ring.  

note 3 : additional wingtags have been placed.

note 4 :

Dark-green ring with a white two alpha-numeric code.

note 1 : birds ringed In the Massif Central, France.

Orange ring with a black two alpha-numeric code.

note 1 : birds ringed In the Massif Central, France.

Yellow ring with a black 2 alpha-numeric code (on left leg) and metal ring (on right leg).

note 1 : codes used "letter + number" --- A0-A9, B0-B9, etc.

note 2 : birds ringed in the UK, Scotland and North England.

Orange ring with a black three alpha-numeric code (on right leg).

note 1 : projects started during spring 2013.

Red ring with a white four alpha-numeric code, starting letter 'B'.

note 1 : project started during 2012.

note 2 : used codes are B001-B499.