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The snowy owl is in many ways a very unique owl and differs from other species of owl in its ecological niche. [7] [146] Only one other owl, the short-eared owl, is known to breed in the High Arctic. [7] However, the snowy owl shares its primary prey, the brown and collared lemmings, with a number of other avian
Predators of the barn owl include large American opossums (Didelphis), the common raccoon, and similar carnivorous mammals, as well as eagles, larger hawks, and other owls. Among the latter, the great horned owl (Bubo virginianus), in the Americas, and the Eurasian eagle-owl (B. bubo) are noted predators of barn owls.
Great horned owls are the most severe competitor and predator of barred owls. One predator that is a major source of conflict for the barred owl is the great horned owl. [7] In every part of their range, barred owls are compelled to share space with the larger owls. [9]
One of the largest snowy owl irruptions in recent history was the winter of 2017-18, ... If prey is plentiful around nesting sites and lots of owls are fledged (sometimes as many as 10 per nest ...
The snowy owl has lost half its population in the past 50 years, ... Poisons may be lethal to rodents, but they also kill the owls and hawks that prey on them.
The snowy owl has effective snow camouflage. The coloration of the owl's plumage plays a key role in its ability to sit still and blend into the environment, making it nearly invisible to prey. Owls tend to mimic the coloration and sometimes the texture patterns of their surroundings, the barn owl being an exception.
Despite the great diversity of prey taken by these predators, in most of the continental United States from the East to the Midwest as well as Canada and Alaska, great horned owls largely live off just a handful of prey species: three species of lagomorph: the eastern cottontail (Sylvilagus floridanus), the snowshoe hare (Lepus americanus) and ...
Although the term "bird of prey" could theoretically be taken to include all birds that actively hunt and eat other animals, [4] ornithologists typically use the narrower definition followed in this page, [5] excluding many piscivorous predators such as storks, cranes, herons, gulls, skuas, penguins, and kingfishers, as well as many primarily ...