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In North America, Horned Puffins breed almost exclusively in Alaska. They are a rare breeder in Canada (<0.1% of the North American population; Piatt and Kitaysky 2002a) and data are insufficient to conclusively determine their population status relative to about 1970. However, various observations suggest that the Canadian population's abundance may have increased over this timeframe. Sightings during the pre-breeding season became increasingly numerous in the 1970s, the first breeding record was documented in 1977, and new breeding records have been obtained since. Still, the breeding population numbers only perhaps 60 individuals. This species has been identified as a priority for conservation and/or stewardship in one or more Bird Conservation Region Strategies in Canada.
Between the 1970s and 1990s, changing ocean conditions reduced the availability of preferred prey fish and contributed to population declines of Horned Puffins and other seabirds in Prince William Sound, Alaska (Piatt and Kitaysky 2002a). Horned Puffins in Canada might also be affected by changes in prey availability, but effects have not been documented. The small Canadian population nests primarily within protected areas: Gwaii Haanas National Park Reserve and Anne Vallée (Triangle Island) Ecological Reserve.
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.