The Connecticut Warbler breeds from east-central British Columbia east to Quebec and the northern Great Lakes region (Sibley 2014). In Montana, this species has a few spring and late summer records (Montana Bird Distribution Committee 2012).
For a comprehensive review of the conservation status, habitat use, and ecology of this and other Montana bird species, please see
Marks et al. 2016, Birds of Montana.
Direct Evidence of Breeding
Indirect Evidence of Breeding