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Crotalus lepidus : ウィキペディア英語版 | Crotalus lepidus
:''Common names: rock rattlesnake, green rattlesnake, blue rattlesnake, more'' ''Crotalus lepidus'' is a venomous pit viper species found in the southwestern United States and northern central Mexico. Four subspecies are currently recognized, including the nominate subspecies described here. ==Description== This small species rarely exceeds 32 in (81.3 cm) in length. It has a large, rounded head, and fairly heavy body for its size, with eyes with vertical pupils. Like other rattlesnakes, its tail has a rattle, which is composed of keratin. Each time the snake sheds its skin, a new segment is added to the rattle. However, the rattle is fragile and may break off, and the frequency of shedding can vary. So, the snake's age cannot be determined by the number of segments or length of the rattle. The color pattern varies greatly, but generally reflects the color of the rock in the snake's natural environment. Snakes found near areas of predominantly limestone tend to be a light grey in color, with darker grey banding. Snakes found at higher altitudes have darker colors. Specimens of the mottled rock rattlesnake (''C. l. lepidus'') from the Davis Mountains region often exhibit a more pink coloration, with dark-grey speckling rather than distinct banding.() The banded rock rattlesnake (''C. l. klauberi'') gets its common name from its distinctive, clean banding, often with little speckling or mottling.
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「Crotalus lepidus」の詳細全文を読む
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