Found in a variety of habitats at various elevations. In Southeast Alaska, found primarily in relatively dense forested habitats (Boland 2007). Temperate rainforest of Southeast Alaska contains abundant live trees, snags, and fallen logs in a variety of sizes. The extensive karst formations in Southeast Alaska also provide numerous caves where hibernating bats have been observed and collected in winter. Roosting habits unknown in Alaska. Elsewhere, day roosts include rock crevices, tree cavities, tree bark, and buildings. Night roosts include caves and mine shafts (Barbour and Davis 1969, Nagorsen and Brigham 1993, Parker et al. 1997).
Barbour, R. W., and W. H. Davis. 1969. Bats of America. The University of Kentucky Press, Lexington, Kentucky.
Boland, J. L. 2007. Distribution of bats in southeast Alaska and selection of day-roosts in trees by Keen’s myotis on Prince of Wales Island, southeast Alaska. Unpublished thesis. Oregon State University, Corvallis.
Nagorsen, D.W. and R.M. Brigham. 1993. Bats of British Columbia. Royal British Columbia Museum Handbook. Volume 1, The mammals of British Columbia. UBC Press. Vancouver, British Columbia, Canada. 164 p.
Parker, D.I., B.E. Lawhead, and J.A. Cook. 1997. Distributional limits of bats in Alaska. Arctic 50(3):256- 265.