Avocets

Combination of c-rings : one c-ring and metal ring (on one tibia) and 2 c-rings (on other tibia).

note 1 :   used colours are black, red, green, pale-green, orange, yellow, blue and white.
note 2 : since 1983 some 1700 birds have been c-ringed in W. France, Marocco and Senegal.

note 3 : a report can be found in Ornithos, 7(3): 101-115.