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The Black-throated Blue Warbler is a common species limited to the hardwood and mixed wood forests of southeastern Canada. Populations have shown a consistent, long-term increase throughout their range in Canada since about 1970; there is currently no major conservation concern for the species. This species has been identified as a priority for conservation and/or stewardship in one or more Bird Conservation Region Strategies in Canada.
Populations of this species were much higher across the eastern hardwood forests prior to the European settlement period when cutting of forests for farmland caused range-wide decreases (Holmes et al. 2005). The current population increase appears to be the result of farmland abandonment and subsequent return of deciduous and mixed-wood forests (Holmes et al. 2005). While there is little current conservation concern, loss of forest in the Greater Antilles (Rubenstein et al. 2002) and a restricted winter distribution (Holmes et al. 2005) may be a source of future concern.
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.
