Wheatears
Combination of two rings (on one leg) and one ring (usually above) a metal ring.
note 1 : metal ring can be on right or left leg, but always below c-ring.
note 2 : used colours are :
(1) single colours : light blue, dark blue, dark green, yellow, pink, orange, red, white.
(2) two-coloured (broad striped) : dark blue-white, red-white, dark green-light blue, orange-light blue, pink-black, yellow-black, red-dark blue.
(3) two-coloured (narrow striped "zebra"): black-white, red-white, pink-black.
note 3 : ongoing long-term population project close to Uppsala (Sweden). Since 1993 we ring annually about 50 adults and 300-400 nestlings during the breeding season.
note 4 :
http://www.slu.se/en/departments/ecology/personal-webbpages/part-tomas/
http://www.slu.se/en/departments/ecology/personal-webbpages/arlt-debora/