Crows

species: 
Alpine Chough
scientific name: 
Pyrrhocorax graculus
notes: 

Combination of c-rings :
​* one or two over metal ring (on right leg)
​* two c-rings (on left leg).

note 1 : over 850 birds have been marked.

note 2 : the same way of ringing is used since 1987 in Corsica (mountains around Corte) by J.P. Cantera, Centre Régional de baguage de Corse.

note 3 : the target is to compare the reproduction success and the demographic parameters between the two colonies.

note 5 : used colours are : black, white, pistache-green, green, blue, red, orange, yellow.

note 6 :

email sighting submit: 
website information: 
Centre de Recherches sur les Ecosystèmes d'Altitude
colour-ring type: 
Legrings : combination of uncoded.
countries where ringed: 
France.