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The Eurasian hobby (''Falco subbuteo''), or just simply hobby, is a small slim falcon. It belongs to a rather close-knit group of similar falcons often considered a subgenus ''Hypotriorchis''.〔〔〔 ==Description== Adults are slate-grey above with a dark crown and two short black moustachial stripes. The throat is unstreaked white, thighs and undertail coverts are unstreaked rufous and rest of the underparts are whitish with black streaks. Close views enable the red "trousers" and vent to be seen. Sexes are similar. Juveniles are generally much browner, with scaled upper parts and streaked buffy thighs and undertail coverts.〔 The hobby has a distinct first-summer plumage.〔 This falcon is in length with a wingspan of and a weight of .〔 File:Falco subbuteo from Kadzidlowo.jpg|''Falco subbuteo'' from Kadzidlowo File:Kobuz (Falco subbuteo).jpg|Juvenile ''Falco subbuteo'' portrait File:Falco subbuteo kobuz1.jpg|In flight 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「Eurasian hobby」の詳細全文を読む スポンサード リンク
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