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Semnornis
The toucan-barbets are the small bird genus ''Semnornis''. This was often included in the paraphyletic barbets but recently usually considered a distinct family Semnornithidae; alternatively, all barbets might be moved to the toucan family Ramphastidae as a subfamily, Semnornithinae. It contains only two species.
==Description==
The ''Semnornis'' barbets are fairly large barbets, measuring between 18–21 cm. The toucan barbet is larger than the prong-billed barbet and considerably heavier.〔 They possess large, swollen bills and lack strong sexual dimorphism in their plumage. The plumage of the prong-billed barbet is orange-brown, and that of the toucan barbet is more distinctively patterned with black, red, grey and gold.〔
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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