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The Dusky Flycatcher nests in western Canada, from southern Yukon through British Columbia, to southwestern Alberta and in the Cypress Hills of Alberta and Saskatchewan. Breeding Bird Survey data for Canada indicate a decrease in the population of about 29% relative to the early 1970s. This species has been identified as a priority for conservation and/or stewardship in one or more Bird Conservation Region Strategies in Canada.
Logging may benefit the species by thinning dense coniferous stands or by opening up forests (Sedgwick 1993). However, the common forestry practice of removal of shrubs and other deciduous components by physical means or through use of herbicides will negatively affect this species (Easton and Martin 1998). In addition, this species may be subject to similar threats facing other aerial insectivore (see Nebel et al. 2010). There are reports of bad weather in spring causing severe adult mortality (Sedgwick 1993).
Environment and Climate Change Canada and partners have developed Bird Conservation Region Strategies in each of Canada’s Bird Conservation Regions (BCRs). In these strategies, selected species are identified as priorities for one or more of the following reasons:
Select any of the sub-regions below to view the BCR strategy for additional details.