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・ African giant shrew
・ African giant squirrel
・ African giant toad
・ African golden cat
・ African golden oriole
・ African golden wolf
・ African goose
・ African goshawk
・ African Grant
・ African grass owl
・ African grass rat
・ African Great Lakes
・ African green pigeon
・ African grey flycatcher
・ African grey hornbill
African grey parrot
・ African Groove
・ African groove-toothed rat
・ African ground squirrel
・ African ground thrush
・ African Groundnut Council
・ African Grove
・ African Growth and Opportunity Act
・ African Guitar Summit
・ African Half Marathon Championships
・ African Handball Champions League
・ African Handball Championship
・ African Handball Confederation
・ African Handball Cup Winners' Cup
・ African Handball Super Cup


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African grey parrot : ウィキペディア英語版
African grey parrot

The African grey parrot, grey parrot or Congo African grey parrot (''Psittacus erithacus'') is an Old World parrot in the family Psittacidae.
==Description==
The African grey parrot is a medium-sized, predominantly grey, black-billed parrot which weighs 400 g, with a length of 33 cm〔 and an average wingspan of 46–52 cm.〔 The tail and undertail coverts are red, in comparison to the maroon of the smaller Timneh parrot. Both sexes appear similar.〔(【引用サイトリンク】url=http://www.parrots.org/index.php/encyclopedia/profile/grey_parrot/ )
The colouration of juveniles is similar to that of adults, however the eye is typically dark grey to black, in comparison to the greyish-yellow eyes of the adult birds. The undertail coverts are also tinged with grey.〔
African grey parrots are long-lived birds that may live for 40-60 years in captivity, although their mean lifespan in the wild appears to be somewhat shorter at ~23 years.〔

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「African grey parrot」の詳細全文を読む



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