Known Breeding and Wintering Sites of a Bicknell's Thrush

Abstract We banded a Bicknell's Thrush (Catharus bicknelli) on its Vermont breeding home range and recaptured the same bird less than six months later on its winter territory in the Dominican Republic. The encounter provides a rare link between known breeding and wintering sites for a Nearctic-Neotropical migratory passerine. This individual was documented to return to its breeding site two successive summers and probably reoccupied the same territory during the winter following its initial recapture. We believe that the small breeding and wintering range of the Bicknell's Thrush, its specialized habitat requirements, and its documented site fidelity increase the species' vulnerability to habitat loss.