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Bufo quercicus : ウィキペディア英語版 | Oak toad
The oak toad (''Anaxyrus quercicus'') is a species of toad in the family Bufonidae. It is endemic to the coastal regions of southeastern United States.〔(University of Michigan Museum of Zoology. ) Retrieved on 21 October 2008.〕 It is regarded as the smallest species of toad in North America, with a length of .〔 == Description == The oak toad can be identified by its light mid-dorsal stripe, variable brown and black spots, and proportionally large parotoid glands. One of the most remarkable features of this species is its small adult size relative to other toads. The male can be distinguished from the female by its clear white belly and a slightly distended, loose flap of skin beneath the mouth, which expands into the vocal sac. The female has a dark-spotted belly and lacks a vocal sac.
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「Oak toad」の詳細全文を読む
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