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Sistrurus
Sistrurus is a genus of venomous pitvipers found in Canada, the United States and Mexico.[1] Three species are currently recognized.[3] Additional recommended knowledge
DescriptionSistrurus species differ from the larger rattlesnakes of the genus Crotalus in a number of ways. They are smaller in size, but also their scalation is different: Sistrurus species have nine large head plates (same as Agkistrodon), whereas with Crotalus (and almost all other viperids) the head is mostly covered with a large number of smaller scales. Sistrurus species have a relatively small rattle that produces more of a high-pitched, buzzing sound than a rattle, like Crotalus. Geographic rangeFound in southeastern Canada, the eastern and northwestern United States, as well as isolated populations in northern and central Mexico.[1] VenomAlthough bites from Sistrurus species are regarded as less dangerous to humans, primarily due to the lower venom yield, every venomous snake bite should be considered serious and prompt medical treatment should always be sought. Species
*) Not including the nominate subspecies (typical form). See also
References
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This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Sistrurus". A list of authors is available in Wikipedia. |