 Breeding evidence |
 Relative abundance |
 Probability of observation |
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Click on plot to view table of mean abundance
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Number of squares
Long-term BBS trends
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2.39 (0.923 - 3.98)|
Mean abundance (number of birds detected per 5 min. point count) and percentage of squares occupied by region Bird Conservation Regions [abund. plot]
[%squares plot]
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Atlas Results
Atlas results coming soon
Excerpts Adapted from the Birds of Saskatchewan:
Cape May Warblers sing from the very top of the highest available spruce, often for extended periods (Morse 1989, Cumming 1995). Breeds in the Boreal from northern Alberta and southern NWT to the Eastern seaboard, winters in the Caribbean islands and on Caribbean coasts of Central and South America.
Cape May Warblers are a true boreal species found in mature coniferous forest (spruce, pine, or fir), or coniferous-dominated mixed woods. They usually forage high in the treetops, generally on the outer ends of branches. As migrants, they can be found in any wooded habitat, but they seek out conifers and are among the few warblers that may appear at bird feeders.
Cape May Warblers are generally uncommon summer residents in the boreal forest (Smith 1996). However, their numbers fluctuate more than those of most other species of warbler (Baltz and Latta 1998). In some years they gather in high numbers in areas infested with the spruce budworm (Morse 1989, Baltz and Latta 1998). During migration, few are seen in southern Saskatchewan and appear to follow the boreal forest through Manitoba (Smith 1996).
Original text by Enid E. Cumming. Text adapted by Daniel J. Sawatzky
Read more about the Cape May Warbler in the Birds of Saskatchewan here.
Recommended citation: Latremouille, L. M. 2025. Cape May Warbler in Latremouille, L. M., S. L. Van Wilgenburg, C. B. Jardine, D. Lepage, A. R. Couturier, D. Evans, D. Iles, and K. L. Drake (eds.). 2025. The Atlas of the Breeding Birds of Saskatchewan, 2017-2021. Birds Canada. Saskatoon, Saskatchewan https://sk.birdatlas.ca/accounts/speciesaccount.jsp?sp=CMWA&lang=en [09 Nov 2025]
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