Red-backed Shrike
Encyclopedia
The Red-backed Shrike is a carnivorous passerine
Passerine
A passerine is a bird of the order Passeriformes, which includes more than half of all bird species. Sometimes known as perching birds or, less accurately, as songbirds, the passerines form one of the most diverse terrestrial vertebrate orders: with over 5,000 identified species, it has roughly...

 bird
Bird
Birds are feathered, winged, bipedal, endothermic , egg-laying, vertebrate animals. Around 10,000 living species and 188 families makes them the most speciose class of tetrapod vertebrates. They inhabit ecosystems across the globe, from the Arctic to the Antarctic. Extant birds range in size from...

 and member of the shrike
Shrike
Shrikes are passerine birds of the family Laniidae. The family is composed of thirty-one species in three genera. The family name, and that of the largest genus, Lanius, is derived from the Latin word for "butcher", and some shrikes were also known as "butcher birds" because of their feeding habits...

 family Laniidae.

English common names include 'Wariangle' and 'worrier'.

Description

This 16–18 cm (approx. 6.3-7.1 inches) long migratory
Bird migration
Bird migration is the regular seasonal journey undertaken by many species of birds. Bird movements include those made in response to changes in food availability, habitat or weather. Sometimes, journeys are not termed "true migration" because they are irregular or in only one direction...

 bird eats large insects, small birds, frogs, rodents and lizards. Like other shrikes it hunts from prominent perches, and impales corpses on thorns or barbed wire as a "larder
Larder
A larder is a cool area for storing food prior to use.Larders were commonplace in houses before the widespread use of the refrigerator.Essential qualities of a larder are that it should be:*as cool as possible*close to food preparation areas...

".

The general colour of the male’s upper parts is reddish. It has a grey head and a typical shrike black stripe through the eye. Underparts are tinged pink, and the tail has a black and white pattern similar to that of a wheatear
Wheatear
The wheatears are passerine birds of the genus Oenanthe. They were formerly considered to be members of the thrush family Turdidae, but are now more commonly placed in the flycatcher family Muscicapidae...

. In the female and young birds the upperparts are brown and vermiculated. Underparts are buff and also vermiculated.

Range

This bird breeds in most of Europe
Europe
Europe is, by convention, one of the world's seven continents. Comprising the westernmost peninsula of Eurasia, Europe is generally 'divided' from Asia to its east by the watershed divides of the Ural and Caucasus Mountains, the Ural River, the Caspian and Black Seas, and the waterways connecting...

 and western Asia
Asia
Asia is the world's largest and most populous continent, located primarily in the eastern and northern hemispheres. It covers 8.7% of the Earth's total surface area and with approximately 3.879 billion people, it hosts 60% of the world's current human population...

 and winters in tropical Africa
Africa
Africa is the world's second largest and second most populous continent, after Asia. At about 30.2 million km² including adjacent islands, it covers 6% of the Earth's total surface area and 20.4% of the total land area...

. Although a migratory visitor to Great Britain
Great Britain
Great Britain or Britain is an island situated to the northwest of Continental Europe. It is the ninth largest island in the world, and the largest European island, as well as the largest of the British Isles...

, it had been considered extinct as a breeding bird and has been named as a protected bird in Britain under a Biodiversity Action Plan
Biodiversity Action Plan
A Biodiversity Action Plan is an internationally recognized program addressing threatened species and habitats and is designed to protect and restore biological systems. The original impetus for these plans derives from the 1992 Convention on Biological Diversity...

; in September 2010 the RSPB announced that a breeding pair had successfully raised chicks in a secret location in Dartmoor
Dartmoor
Dartmoor is an area of moorland in south Devon, England. Protected by National Park status, it covers .The granite upland dates from the Carboniferous period of geological history. The moorland is capped with many exposed granite hilltops known as tors, providing habitats for Dartmoor wildlife. The...

, the first recorded since 1970.

It breeds in open cultivated country with hawthorn
Crataegus
Crataegus , commonly called hawthorn or thornapple, is a large genus of shrubs and trees in the rose family, Rosaceae, native to temperate regions of the Northern Hemisphere in Europe, Asia and North America. The name hawthorn was originally applied to the species native to northern Europe,...

 and dog rose
Dog Rose
Rosa canina is a variable scrambling rose species native to Europe, northwest Africa and western Asia....

.

Further reading

  • Worfolk, Tim (2000) Identification of red-backed, isabelline and brown shrikes Dutch Birding
    Dutch Birding
    Dutch Birding is an ornithological magazine published by the Dutch Birding Association. Its editor is Arnoud van den Berg. It was first published in 1979....

    22 (6): 323-362

External links

The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
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