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Oriental magpie-robin
The oriental magpie-robin (''Copsychus saularis'') is a small passerine bird that was formerly classed as a member of the thrush family Turdidae, but now considered an Old World flycatcher. They are distinctive black and white birds with a long tail that is held upright as they forage on the ground or perch conspicuously. Occurring across most of the Indian subcontinent and parts of Southeast Asia, they are common birds in urban gardens as well as forests. They are particularly well known for their songs and were once popular as cagebirds. The oriental magpie-robin is considered the national bird of Bangladesh.
==Description==
This species is long, including the long tail that is usually held cocked upright. It is similar in shape to the smaller European robin, but is longer-tailed. The male has black upperparts, head and throat apart from a white shoulder patch. The underparts and the sides of the long tail are white. Females are greyish black above and greyish white. Young birds have scaly brown upperparts and head. It is the national bird of Bangladesh.
The nominate race is found on the Indian subcontinent and the females of this race are the palest. The females of the Andamans race ''andamanensis'' are darker, heavier-billed and shorter-tailed. The Sri Lankan race ''ceylonensis'' (formerly included the Peninsular Indian populations south of the Kaveri River) and southern nominate individuals have the females nearly identical to the males in shade. The eastern populations (Bhutan and Bangladesh) have more black on the tail and were formerly named ''erimelas''. The populations in Burma and further south are named as race ''musicus''. A number of other races have been named across the range including ''prosthopellus'' (Hong Kong), ''nesiotes'', ''zacnecus'', ''nesiarchus'', ''masculus'', ''pagiensis'', ''javensis'', ''problematicus'', ''amoenus'', ''adamsi'', ''pluto'', ''deuteronymus'' and ''mindanensis''. However many of these are not well marked and the status of some are disputed. Some like ''mindanensis'' have been now been recognized usually as full species (Philippine magpie-robin). There is more geographic variation in the plumage of females than in that of the males.
It is mostly seen close to the ground, hopping along branches or foraging in leaf-litter on the ground with cocked tail. Males sing loudly from the top of trees or other high perches during the breeding season.〔
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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