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The snowy owl (Bubo scandiacus), [4] also known as the polar owl, the white owl and the Arctic owl, [5] is a large, white owl of the true owl family. [6] Snowy owls are native to the Arctic regions of both North America and the Palearctic, breeding mostly on the tundra. [2]
Experts estimate the entire population is less than 30,000 in North America — and only a fraction of those migrate a long distance in a given year — making the owl’s cameo all the more unusual.
A common pattern in North America is clockwise migration, where birds flying North tend to be further West, and flying South tend to shift Eastwards. Many, if not most, birds migrate in flocks. For larger birds, flying in flocks reduces the energy cost. Geese in a V formation may conserve 12–20% of the energy they would need to fly alone.
Four snowy owls have been documented in Wisconsin as of mid-November, the first of the species to be seen in the state.
Snowy owls spend the summer breeding season on the tundra north of the Arctic circle. Come winter, some move south into southern Canada and the northern United States, including Wisconsin.
[3] [4] Barred owls are largely native to eastern North America, but have expanded their range to the west coast of North America where they are considered invasive. [1] [5] [6] Mature forests are their preferred habitat, but they can also acclimatise to various gradients of open woodlands. [7]
A snowy owl apparently touring iconic buildings of the nation's capital is captivating birdwatchers who manage to get a glimpse of the rare, resplendent visitor from the Arctic. Far from its ...
Typical owls are small to large solitary nocturnal birds of prey. They have large forward-facing eyes and ears, a hawk-like beak, and a conspicuous circle of feathers around each eye called a facial disk. Eastern screech-owl, Megascops asio; Great horned owl, Bubo virginianus; Snowy owl, Bubo scandiacus (A) Burrowing owl, Athene cunicularia (A)