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| Eastern Screech Owl | ||||||||||||||
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| Scientific classification | ||||||||||||||
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| Binomial name | ||||||||||||||
| Otus asio ( Linnaeus, 1758) |
The Eastern Screech Owl, Otus asio, is a small owl.
Adults have either rusty or dark grey plumage with streaking on the underparts. They have a round head with ear tufts, yellow eyes and a yellowish bill. Rusty birds are more common in the southern parts of the range; pairings of the two colour variants do occur. A pale grey variation also exists in western Canada and the north central United States.
Their breeding habitat is deciduous or mixed woods in eastern North America. They nest in a tree cavity, either natural or excavated by a woodpecker; they will also use nesting boxes.
They are usually permanent residents; birds at the northern parts of the range may change location.
These birds wait on a perch and swoop down on prey; they may also catch insects in flight. They mainly eat large insects and small rodentMany, see text The order Rodentia is the most numerous of all the branches on the mammal family tree. Currently there are, depending on the authority consulted, between 2000 and 3000 species of rodent—roughly half of all mammal species. Rodents are founds, also small birds. They are active at night or near dusk, using their excellent hearing and night vision to locate prey.
The call is a descending series of whistles or a long single trill.
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