The Osprey is a dedicated fish-hunter that makes spectacular, feet-first plunges from high in the air. Its powerful feet are rough like sandpaper, equipped with hook-like talons and have an opposable outer toe, all for getting a grip on its slippery prey.
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The Osprey is one of the most widely distributed bird species globally, and in Canada breeds along lakes and rivers across most of the country except the Prairies and tundra. In the western hemisphere, the species overwinters from California and the southeastern United States through the Caribbean, Central America, and into South America. There are approximately 170,000 individuals in Canada, representing 14% of the global population and a low degree of responsibility for Canada. Approximately 18,000 individuals breeding in Alaska also pass through Canada during migration, increasing the total percentage occurring in Canada to 16% of the global population. The Breeding Bird Survey indicates a large increase in abundance relative to 1970. Confidence in this assessment is medium because the survey provides only moderate coverage of the breeding range, but has high precision in its trend. The national population of Osprey is within its goal range.
The Canadian population of Osprey is monitored best by the Breeding Bird Survey (BBS), which samples a moderate proportion of the breeding range and has high precision in its trends for this species. The national trend shows a relatively steady increase from the early 1970s to early 2010s, tapering off to a plateau in more recent years. In general, rates of population growth have been similar across the Canadian range of the species. however, there have been continued increases in central and southern British Columbia as well as central and southern Ontario and Quebec, and somewhat of a decline in the Maritimes compared to a mid-1990s peak there. Among Canadian sites that have contributed to the Raptor Population Index since at least the mid-1990s, trends range from little change to a large increase at sites in Ontario, and moderate to large decreases in Quebec.
The goal for Osprey is to remain at or above its recent population level, based on the Breeding Bird Survey. Trend data show that Osprey is currently within its goal range.
Designation | Geographic Area | Status | CITATION |
---|---|---|---|
Wild Species | Canada | Secure | |
IUCN | Global | Least Concern |
The Osprey is a dedicated fish-hunter that makes spectacular, feet-first plunges from high in the air. Its powerful feet are rough like sandpaper, equipped with hook-like talons and have an opposable outer toe, all for getting a grip on its slippery prey.
Osprey is primarily reported between April and October in Canada, as it migrates south in the nonbreeding season.