Hen Harrier

Dark-Blue ring with a white 3 alpha code (starting with "A" or "B") (on right leg) and metal ring (on left leg).

note 1 : birds ringed in the UK, Orkney.

note 2 :

Orange ring with black two alpha-numeric code (on one leg) and metal ring (on the other leg).

note 1 : birds ringed on the mainland of the Netherlands since 2010. 

note 2 : to read the ring, turn your head 90 degree to the left.

note 3 : 

Orange ring with a black three alpha-numeric code (on one leg) and metal ring (on the other leg).

note 1 :  

Black ring with a yellow or white 2 alpha code (on left leg) and metal ring (on right leg).

note 1 : birds have been ringed across England, Wales, Scotland and Isle of Man.

note 2 : birds ringed since 2014.

note 3 :

Red ring with a white 3 alpha-numeric code (starting with "A") (on right leg) and metal ring (on left leg).

note 1 : birds ringed in the UK, Orkney.

note 2 :

Dark-blue ring with a white 3 alpha-numeric code (starting with "A" or "B") (on right leg) and metal ring (on left leg).

note 1 : birds ringed in the UK, Orkney.

note 2 :

Combination of an orange ring with a black two alpha code (on right leg) and one c-ring above the metal ring (on left leg).

note 1 : used colours are for 2012 : red ; 2013 : dark-green ; 2014 : dark-blue ; 2015 : orange ; 20165 : yellow.

note 2 : birds are ringed during the winter.

White ring with a black three alpha-numeric code.

note 1 :

Combination of one or two wingtags with a code (letter or number).

note 1 : used colours oin tags are :
* in Bowland: pink (left) and lime (right) on males , pink (left) and white (right) on females.
* in Yorkshire Dales : green (left) and lime (right) on males , no females tagged.
* in Geltsdale : lime (left) and pink (right) on males , lime (left) and green (right) on females.
* in Cornwall : white (left) and green (right) on males , white (left) and pink (right) on females.

Wingtas with a combination of colours (on each wing).

note 1 : the combination of colours is from 2 up till 5 colours , used colours are : white, red, blue, yellow and green.
note 3 : up to 4 colours can be used on one bird.
note 4 : breeding and juvenile birds are ringed near Poitiers, South-West France.