Western Marsh Harrier

White ring with a black four alpha-numeric code, starting letter 'C'.

note 1 : up to a total of 512 rings delivered 1995.

note 2 :

Yellow ring with a black four alpha-numeric code, starting letter 'C'.

note 1 :

White ring with a black three alpha-numeric code, starting letter 'C'.

note 1 : up a total 170 rings delivered 1996-1997 and 58 during 2008.

note 2 :

Yellow ring with a black three alpha-numeric code, starting letter 'H' :

note 1 : used codes are :
* H / number / number
OR
* H / letter / number
OR
* H / number / letter.

note 2 : 

Red ring with a white three alpha-numeric code (letter followed by two numbers) [on left leg] and metal ring [on right leg]

note 1 : project started during the year 2013, when birds were ringed in the Kurzeme region (Western Latvia).

note 2 : used letters are : A, B, C, D, E,

note 3 : code to be read downwards (direction from the knee to the foot)

note 4 : NOT used numbers are : 00, 66, 69, 96, 68, 86, 98, 99.

note 5 :

Combination of :
* a white ring with a black three alpha-numeric code (starting letter 'J') (on one tarsus)
​* a c-ring over metal ring (on the other tarsus).

note 1 : project started end feb. 2013 and ends during 2018. 

note 2 : for the white ring, used codes are J00, J01 ... J99.

note 3 : for the c-ring, used colours are : red (2013), blue (2014), white (2015), orange (2016), black (2017), light-green (2018),  

note 4 : birds are ringed on several locations on Jersey and Guersney.
* Jersey : left leg : coded ring ;  right leg : c-ring over metal ring.
* Guersney : left leg : c-ring over metal ring ; right leg : coded ring.

note 5 :

Black ring with a white three alpha code, starting letter K.

note 1 : birds ringed in the North-Vienna area, from September 2012 till March 2013.
note 2 : used codes are KNA-KNZ.

Black wingtag with a white 2 alpha-numeric code and letters "SP" (Spain) (one on each wings) and white coded legring. 

note 1 : birds are ringed during winter at Binaced, Huesca, northeast Spain.
note 2 : first birds tagged with wingtags in December 2011.
note 3 : all birds are ringed, apart from wing tags, with white PVC rings with code in black from Biological Station of Doñana and metal rings from Spanish Ringing Scheme (ICONA-SPAIN).

Red with a four alpha-numeric code (starting letter "P") (on right leg) and metal ring (on left leg). 

note 1 : during 2011 eleven pulli were ringed.

note 2 : during 2012 twelve pulli were ringed.

Light-green wingtag with a white (or black) two alpha code.

note 1 : tags are 40mm wide and duplicated on both wings.

note 2 : birds are ringed in the UK, county Norfolk.

note 3 :