Harriers

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 :