Egrets
Combination of 2 up to 6 small (1cm. high) rings.
Green ring with a white 1 numeric code (on left tibia) and metal ring (on right tibia).
note 1 : used colours are : red, orange, yellow, white, dark-green, light-green, dark-blue.
note 2 : several types of combinations are used.
AA/AAm : 2 c-rings (on left leg) , 2 c-rings over metal ring (on right leg).
AAm/AA : 2 c-rings over metal ring (on left leg) , 2 c-rings (on right leg).
AA/Am : 2 c-rings (on left leg) , 1 c-ring over metal ring (on right leg).
Am/AA : 1 c-ring over metal ring (on left leg) , 2 c-rings (on right leg).
AAA/m (most often) : 3 c-rings (on left leg) , metal ring (on right leg).
m/AAA : metal ring (on left leg) , 3 c-rings (on right leg).
AAA/AAA : 3 c-rings (on left leg) , 3 c-rings (on right leg).
AAAm/AAA (rare). : 3 c-rings over metal ring (on left leg) , 3 c-rings (on right leg).
note 3 : birds are ringed at the Grand-Lieu Lake, Loire-Atlantique, France, (47° 06' N, 001° 40' W) and in Brière.
note 4 : some 40 to 70 birds are yearly ringed.