Red-backed shrike
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The red-backed shrike (Lanius collurio) is a carnivorous passerine bird and member of the shrike family, Laniidae. Its breeding range stretches from Western Europe east to central Russia. It is migratory and winters in the eastern areas of tropical Africa and southern Africa.
TaxonomyEdit
The red-backed shrike was formally described by the Swedish naturalist Carl Linnaeus in 1758 in the tenth edition of his Systema Naturae under its current binomial name Lanius collurio.<ref>Template:Cite book</ref> The genus name, Lanius, is derived from the Latin word for "butcher", and some shrikes are also known as "butcher birds" because of their feeding habits. The specific collurio is from Ancient Greek kollurion, a bird mentioned by Aristotle.<ref name=job>Template:Cite book</ref> The common English name "shrike" is from Middle English *schrike, *schryke, from Old English sċrīc, "shriek", from the same root as shriek and screech, referring to the bird's shrill cry or call.<ref name=OED>Template:Cite OED</ref>
DescriptionEdit
This Template:Convert migratory 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." This practice has earned it the nickname of "butcher bird."<ref name=factsheet/>
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. In the female and young birds the upperparts are brown and vermiculated. Underparts are buff and also vermiculated.<ref name=factsheet/>
Distribution and habitatEdit
This bird breeds in most of Europe and western Asia and winters in tropical Africa. The bird is listed as a "least concern" (LC) species on a global scale,<ref name=iucn/> but some parts of its range have seen a steep decline in numbers, so locally its status can be less secure.<ref name=RSPB/>
Great BritainEdit
Once a common migratory visitor to Great Britain, numbers declined sharply during the 20th century, and it is now classified as a UK 'Red List' species.<ref name=factsheet>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref> The bird's last stronghold was in Breckland but by 1988 just a single pair remained, successfully raising young at Santon Downham. The following year for the first time no nests were recorded in the UK. But since then sporadic breeding has taken place, mostly in Scotland and Wales. In September 2010 the RSPB announced that a pair had raised chicks at a secret location on Dartmoor where the bird last bred in 1970.<ref name = rspb>{{#invoke:citation/CS1|citation |CitationClass=web }} Retrieved on 10 September 2010</ref> In 2011, two pairs nested in the same locality, fledging seven young.<ref name=birdwatch>{{#invoke:citation/CS1|citation |CitationClass=web }} Retrieved 30 December 2011</ref> In 2012 there was another breeding attempt, this time unsuccessful, probably due to a prolonged spell of wet weather.<ref name = "The Harrier">{{#invoke:citation/CS1|citation |CitationClass=web }} Retrieved 15 August 2013</ref> In 2013 breeding was again confirmed in Devon, with two young fledged at a new site.<ref>{{#invoke:citation/CS1|citation |CitationClass=web }} Retrieved on 10 March 2014</ref> The return to south-western England was an unexpected development, raising speculation that a warming climate might assist the bird in re-colonising some of its former haunts.<ref name=RSPB>{{#invoke:citation/CS1|citation |CitationClass=web }} Retrieved on 30 December 2011</ref> However, since then breeding has been confirmed on only two occasions, both in Shetland, in 2015 and 2020.<ref name=birdguides.com>{{#invoke:citation/CS1|citation |CitationClass=web }} Retrieved on 25 June 2021</ref>
GalleryEdit
- Lanius collurio -Poland -female-8-4c.jpg
Adult female in Poland
- Lanius collurio MHNT.ZOO.2010.11.214.Le Monêtier-les-Bains.jpg
Eggs—MHNT
- Red-backed Shrike (Lanius collurio).jpg
Juvenile bird
- Red-backed Shrike from the Crossley ID Guide Britain and Ireland.jpg
ID composite
- Cuculus canorus canorus MHNT.ZOO.2010.11.150.40.jpg
Cuculus canorus canorus in a clutch of Lanius collurio - MHNT
ReferencesEdit
Further readingEdit
- Worfolk, Tim (2000) Identification of red-backed, isabelline and brown shrikes Dutch Birding 22 (6): 323–362.
- Metzmacher, M. & Van Nieuwenhuyse, D. (2012). Dynamique de population de la Pie-grièche écorcheur (Lanius collurio) dans le sud-est de la Belgique : modélisation de l’influence du climat. Terre et Vie, 67 : 353-374.
External linksEdit
- Red-backed shrike - Species text in The Atlas of Southern African Birds.
- Oiseaux pictures
- The Internet Bird Collection videos
- Ageing and sexing (PDF; 2.3 MB) by Javier Blasco-Zumeta & Gerd-Michael Heinze
- Feathers of red-backed shrike (Lanius collurio)
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