By comparison, the bird in record 3, banded at the same location in Wisconsin as the bird in record 1 and also on fall migration, was encountered during the breeding season in Manitoba in the breeding range of C. u. swainsoni.
Ces reprises semblent indiquer que les populations qui nichent dans le nord se dirigent vers la partie est du continent avant de prendre la route de l'AmÃ©rique centrale.