Barn Owl

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iBarn Owl
Image:Schleiereule fws.jpg
Conservation status
Image:Status iucn3.1 LC.svg
Least Concern (LC)<ref name="iucn">BirdLife International (2004). Tyto alba. 2006 IUCN Red List of Threatened Species. IUCN 2006. Retrieved on 11 May 2006. Database entry includes justification for why this species is of least concern </ref>


Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Strigiformes
Family: Tytonidae
Genus: Tyto
Species: T. alba
Binomial name
Tyto alba
(Scopoli, 1769)

Strix alba Scopoli, 1769
Lechusa stirtoni Miller, 1956

The Barn Owl (Tyto alba) or, to distinguish it from relatives, Common Barn Owl, is an owl in the barn owl family Tytonidae. This is one of the two groups of owls, the other being the typical owls Strigidae. (Any member of the family Tytonidae is sometimes referred to as a Barn Owl.)

These are pale, long-winged, long-legged owls, 33–39 cm in length with an 80–95 cm wingspan. They have an effortless wavering flight as they quarter pastures or similar hunting grounds.

There are a number of subspecies differing in underpart colour. For example, T. a. alba of western Europe is almost pure white below, but T.a. guttata of central Europe is orange. The Australian, Melanesian and Pacific forms may constitute a separate species, the Eastern Barn Owl, T. (alba) delicatula. All races have grey and ochre upperparts.

These are birds of open country such as farmland, preferentially hunting along the edges of woods. They are fairly sedentary and nocturnal or crepuscular.

Barn Owls occur worldwide, on every continent except Antarctica. Sometimes they are called monkey-faced owls because of their appearance. Other common names are church owl, golden owl, rat owl, and stone owl.

Barn Owls feed on voles, frogs and insects, but are economically valuable birds as they also prey on animal pests like rats, shrews, moles and mice.

Other than human persecution, they have few predators, although large owls such as the Eurasian Eagle Owl and the Great Horned Owl will kill smaller species if the opportunity arises. Farmers often encourage Barn Owl habitations for rodent control by providing nest sites such as a wooden nest box or a large drum installed sideways in a barn. An adult Barn Owl will eat approximately 3 mice per day. A pair raising 3-5 owlets will consume many more rodents.

Barn Owls have a notable shreee scream, ear-shattering at close range. They also hiss like steam kettles. When captured or cornered, they throw themselves on their backs and flail with sharp-taloned feet, an effective defence. Contrary to popular belief, they do not make the call "tu-whit to-whoo".

Image:Tyto alba dis.png
Global distribution of Tyto alba.

[edit] References

  • Day, Charles (2001): Researchers uncover the neural details of how Barn Owls locate sound sources. Phys. Today 54(6): 20-22. HTML fulltext
  • Taylor, Iain (1994): Barn Owls: Predator-Prey Relationships and Conservation. Cambridge University Press. ISBN 0-521-39290-X

[edit] External links

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ast:Curuxa bg:Забулена сова cs:Sova pálená cy:Tylluan Wen da:Slørugle de:Schleiereule es:Lechuza eo:Turstrigo fr:Chouette effraie fy:Goudûle it:Tyto alba he:תנשמת ka:ბუხრინწა lt:Liepsnotoji pelėda ml:വെള്ളിമൂങ്ങ ms:Burung Hantu Kubur nl:Kerkuil ja:メンフクロウ pl:Płomykówka sl:Pegasta sova fi:Tornipöllö sv:Tornuggla zh:仓鸮

Barn Owl

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