Hen Harrier

Red ring with a white two alpha-numeric code and one line (on left leg) and metal ring (on right leg).

note 1 : birds ringed Schiermonnikoog, NL.

note 2 : during 2007 c-rings are on the right leg.

Black ring with white two alpha-numeric code (on one leg) and metal ring (on the other leg).
the two alpha-numeric is separated by a white line.

note 1 : birds ringed in the Netherlands in 2017.

note 2 : the alpha-numeric code L|1, L|2, L|3 en C|8 used for four juvenile Hen Harriers on the mainland of the Netherlands.
The two letters/numbers of the code are separated by a white line (e.g. A|A).

note 3 : to read the ring, turn your head 90 degree to the left.

note 4 :

Dark-blue ring with a white two alpha-numeric code (letter, vertical line, number) (on left leg) and metal ring (on right leg).

note 1 : during 2007 a blue ring with white code (letter, vertical line, cipher) (on left leg) and metal Helgoland ring (on right leg) for birds ringed on some Wadden-islands of Niedrsachsen, Germany.

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

note 1 : birds are ringed on Terschelling, NL.

note 2 : during 2007 c-rings are on the right-leg.

Dark-Green ring with a white two alpha-numeric code and a line (on left leg) and metal ring (on right leg). 

note 1 : birds ringed on Vlieland, NL.

note 2 : during 2007 c-rings are on the right-leg.

White ring with a black two alpha-numeric code and one line (on left leg) and metal ring (on right leg).

note 1 : birds ringed on Texel, NL.

note 2 : during 2007 c-rings are on the right-leg.

Wingtag with a code (on each wing).

note 1 : wingtagging and ringing project in Ireland started in 2007.

note 2 : metal ring usually on right leg.

note 3 : used colours are : Red (left) 2007; Yellow (right) Ballyhouras; Red (right) Kerry; Green (right) Clare; Black (right) Slieve Aughties.

note 4 : https://www.ucc.ie/en/media/research/planforbio/pdfs/HEHHARRIERFinalProj...

Combination of 2 c-rings (on one leg) and 1 c-ring and metal ring (on the other leg).

note 1 : the birds are ringed on the East Frisian Islands/Niedersachsen/Germany.

note 2 : the uncoded colour-ring above the metal ring on one leg is the marker for the particular island ('natal island'), so also incomplete readings are welcome.

note 3 : used colours are orange, dark green, black, red, yellow, dark blue, white.

Combination of a dark-blue ring with a white two alpha-numeric code (1 letter and 1 number) (on one leg) and a metal ring with a c-ring (on the other leg).

note 1 : the birds are ringed on the East Frisian Islands/Niedersachsen/Germany. The uncoded colour-ring on one leg is the marker for the island, while the blue ring with inscription is for the individual. The colour for the islands will remain the same for the next years, but I will switch  leg and/or ring position to mark the year of ringing.

note 2 : the  ring above the metal ring is an island marker, so also incomplete readings are welcome.

Combination of a dark-blue ring with a white two alpha-numeric code (1 letter and 1 number) and metal ring (on the other leg).

note 1 : the birds are ringed on the East Frisian Islands/Niedersachsen/Germany.

note 2 : the uncoded colour-ring on one leg is the marker for the island, while the blue ring with inscription is for the individual. Please check carefully the leg (left or right) of the coded ring. 

note 3 : the ring above the metal ring is an island marker, so also incomplete readings are welcome. 

note 4 : used colours are orange, dark green, black, red, yellow, dark blue, white.