Crotalus viridis

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Crotalus viridis
Crotalus viridis nuntius.jpg
Hopi rattlesnake, C. v. nuntius
Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Order: Squamata
Suborder: Serpentes
Family: Viperidae
Genus: Crotalus
C. viridis
Binomial name
Crotalus viridis
(Rafinesque, 1818)
Crotalus viridis distribution.png
  • Crotalinus viridis
    Rafinesque, 1818
  • Crotalurus viridis
    — Rafinesque, 1820
  • Crotalus confluentus
    Say In James, 1823
  • Crotalus Lecontei
    Hallowell, 1852
  • C[audisona]. confluenta
    Cope, 1867
  • [Caudisona confluenta] Var. confluenta
    — Cope, 1867
  • [Caudisona confluenta] Var. lecontei
    — Cope, 1867
  • Crotalus confluentus var. pulverulentus
    Cope, 1883
  • Crotalus confluentus var. confluentus
    — Cope, 1883
  • Crotalus confluentus confluentus
    — Cope, 1892
  • Crotalus confluentus lecontei
    — Cope, 1892
  • Crotalus viridis viridis
    Klauber, 1936[2]

Crotalus viridis (commonly known as the prairie rattlesnake) is a species of venomous Pit vipers. There is currently only one subspecies recognized, not including the nominate subspecies.

Description[change | change source]

The Prairie Rattlesnake usually grows up to the length of around 100 centimeters (3.3 ft). Prairie Rattlesnakes in Montana can sometimes grow up to the length of 120 centimeters (3.9 ft), but the longest ever found was 151.5 centimeters (4.97 ft) long. They are usually light brown in color with some patches of dark brown.

Feeding[change | change source]

Prairie Rattlesnakes eat mainly small mammals like ground squirrels, mice, rats, small rabbits, and prairie dogs. Young Prairie Rattlesnakes eat amphibians, and small reptiles.

Reproduction[change | change source]

Prairie Rattlesnakes are viviparous, and can give birth to around 3-25 young at a time. The young are born around between August and October.

Behavior[change | change source]

Prairie Rattlesnake are diurnal in cool weathers, and nocturnal in hot weathers. They have a very powerful venom which they only use if attacked. Like other rattlesnakes they shake their tail to make a rasping sound which warns enemies.

Common names[change | change source]

The Prairie Rattlesnake is also called the "Western Rattlesnake", the "Plains Rattlesnake", the "Black Rattler", the "Confluent Rattlesnake", the "Missouri Rattlesnake", the "Spotted Rattlesnake", and the "Western Pacific Rattlesnake".

Where they live[change | change source]

It is also found in southwestern Canada, south to the United States of America, and northern Mexico. In Canada it is found in Alberta, and Saskatchewan, in the United States of America it is found in eastern Oregon, eastern Washington, southern Idaho, Montana, North Dakota, South Dakota, Wyoming, Nebraska, Colorado, Kansas, Oklahoma, Texas, New Mexico, and eastern Arizona, in Mexico it is found in northern Coahuila, and northwestern Chihuahua.

Subspecies[change | change source]

Not including the nominate subspecies, Crotalus Viridis Viridis, the Prairie Rattlesnake only has one subspecies: the "Hopi Rattlesnake" (Crotalus Viridis Nuntius) which is found in northeastern and north-central Arizona, and New Mexico.

References[change | change source]

  1. Frost, D.R.; Hammerson, G.A.; Santos-Barrera, G. (2007). "Crotalus viridis". IUCN Red List of Threatened Species. IUCN. 2007: e.T64339A12771847. doi:10.2305/IUCN.UK.2007.RLTS.T64339A12771847.en. Unknown parameter |last-author-amp= ignored (help)
  2. McDiarmid RW, Campbell JA, Touré TA. 1999. Snake Species of the World: A Taxonomic and Geographic Reference, Volume 1. Washington, District of Columbia: Herpetologists' League. 511 pp. ISBN 1-893777-00-6 (series). ISBN 1-893777-01-4 (volume).