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Hooded crow
The hooded crow (''Corvus cornix'') (also called hoodie〔Greenoak, F. (1979). ''All the birds of the air; the names, lore and literature of British birds.'' Book Club Associates, London.〕 is a Eurasian bird species in the ''Corvus'' genus. Widely distributed, it is also known locally as Scotch crow, Danish crow, and grey crow (in Slavic languages, Ireland and Denmark). Found across Northern, Eastern, and Southeastern Europe, as well as parts of the Middle East, it is an ashy grey bird with black head, throat, wings, tail, and thigh feathers, as well as a black bill, eyes, and feet. Like other corvids, it is an omnivorous and opportunistic forager and feeder.
It is so similar in morphology and habits to the carrion crow (''Corvus corone''), for many years they were considered by most authorities to be geographical races of one species. Hybridization observed where their ranges overlapped added weight to this view. However, since 2002, the hooded crow has been elevated to full species status after closer observation; the hybridisation was less than expected and hybrids had decreased vigour. Within the hooded crow species, four subspecies are recognized, with one, the Mesopotamian crow, possibly distinct enough to warrant species status itself.
==Taxonomy==
The hooded crow was one of the many species originally described by Linnaeus in his 18th-century work ''Systema Naturae'' and it bears its original name of ''Corvus cornix''. The binomial name is derived from the Latin words ''Corvus'', "raven", and ''cornix'', "crow". It was subsequently considered a subspecies of the carrion crow for many years, hence known as ''Corvus corone cornix'', due to similarities in structure and habits.
It is locally known as a hoodie in Northern Ireland.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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