translate English to French: We excluded birds with neck collars, because their recovery rates were about twice those of birds marked concurrently with only legbands (C.M. Francis, unpubl. data).
Nous avons exclu les oiseaux ayant des colliers puisque leur taux de rÃ©cupÃ©ration Ã©tait environ le double de celui des oiseaux marquÃ©s en mÃªme temps avec seulement des bagues aux pattes (C.