Occurs in the boreal zone within deciduous, mixed, and coniferous forests. Associated with open areas containing grasses, dense shrubs, and clumps of young deciduous trees (Rimmer and McFarland 1998). Associations vary slightly with range, but strongly associated with shrubs in all habitats (Cadman et al. 1987).
Cadman, M. D., P. F. Eagles and F. M. Helleiner (Compilers). 1987. Atlas of the Breeding Birds of Ontario. University of Waterloo Press, Waterloo.
Rimmer, C. C. and K. P. McFarland. 1998. Tennessee Warbler (Vermivora peregrina). In The Birds of North America, Vol. 11, No. 350 (A. Poole and F. Gill, Eds.). Philadelphia: The Academy of Natural Sciences; Washington, D.C.: The American Ornithologists’ Union.