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Mexican burrowing toad
The Mexican burrowing toad (''Rhinophrynus dorsalis'') is the only species in the genus ''Rhinophrynus'' and the family Rhinophrynidae of order Anura. These frogs live from south Texas through Mexico, Guatemala, Honduras, and El Salvador to Nicaragua and Costa Rica. The family was once more widespread, including species ranging as far north as Canada, but these died out in the Oligocene.
Its name means ‘nose-toad’, from ''rhino-'' (), the combining form of the Ancient Greek ' (, ‘nose’) and ' (, ‘toad’).
==Description==
The Mexican burrowing toad grows to in length, and usually has red spots on its bloated body with a red stripe along the center of its back. It has short legs, and a small, pointed head. Its feet have horny, shovel-like appendages which, along with the short, powerful legs, aid it in digging. Its eyes are relatively small, and the tympanum is not visible. Unique among the frogs, the Mexican burrowing toad's tongue is projected directly out the front of the mouth, instead of being flipped out, as in all other frogs.
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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