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Picides is an infraorder of the Piciformes order, that includes woodpeckers and honeyguides. The honeyguides were thought to be closely related to the barbets, as their ariel display and vocalization are similar to each other than either are to woodpeckers. However phylogenetic analysis has shown that honeyguides and woodpeckers are indeed sister taxa.〔Sibley, Charles Gald & Ahlquist, Jon Edward (1990): ''Phylogeny and classification of birds''. Yale University Press, New Haven, Conn.〕〔Moyle, R. G. (2004). Phylogenetics of barbets (Aves: Piciformes) based on nuclear and mitochondrial DNA sequence data. Molecular phylogenetics and evolution, 30(1), 187-200.〕 ==Systematics== Despite having two families, Picides is an extremely widespread group of piciforms with the family Picidae being the largest containing about 200 species in four subfamilies. *Infraorder Picides * *Family Indicatoridae (Honeyguides) * *Family Picidae * * *Subfamily Jynginae (Wrynecks) * * *Subfamily Nesoctitinae (Antillean Piculet) * * *Subfamily Picumninae (Piculets) * * *Subfamily Picinae (Woodpeckers) 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「Picides」の詳細全文を読む スポンサード リンク
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