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Drymarchon
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Drymarchon is a genus of large nonvenomous colubrid snakes, commonly known as indigo snakes, endemic to the Southeastern United States, Central America, and South America. Three to four species are currently recognized.[2]

Description

Indigo snakes are large, robust snakes which can reach a total length (including tail) of over 3 m (9.8 ft). They have smooth dorsal scales, and several color variations, including a glossy blue-black color.

Behavior and diet

Indigo snakes are diurnal and actively forage for prey. They feed on a broad variety of small animals such as rodents, birds, lizards, frogs, toads, and other snakes, including rattlesnakes. They are not aggressive snakes and will only bite when threatened. Typical threat display includes hissing and shaking of its tail as a warning.

Species

The genus Drymarchon was formerly considered to be a monotypic taxon formed by subspecies of D. corais. Currently the genus includes six distinct species recognized by ITIS:[2]

References

  1. ^ Wright, Albert Hazen; Wright, Anna Allen (1957). Handbook of Snakes of the United States and Canada. Ithaca and London: Comstock Publishing Associates, a division of Cornell University Press. 1,105 pp. (in 2 volumes) (Genus Drymarchon, p. 200).
  2. ^ a b "Drymarchon ". Integrated Taxonomic Information System. Retrieved 2011-02-06..mw-parser-output cite.citation{font-style:inherit}.mw-parser-output q{quotes:"""""'"'"}.mw-parser-output code.cs1-code{color:inherit;background:inherit;border:inherit;padding:inherit}.mw-parser-output .cs1-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/6/65/Lock-green.svg/9px-Lock-green.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-lock-limited a,.mw-parser-output .cs1-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Lock-gray-alt-2.svg/9px-Lock-gray-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Lock-red-alt-2.svg/9px-Lock-red-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration{color:#555}.mw-parser-output .cs1-subscription span,.mw-parser-output .cs1-registration span{border-bottom:1px dotted;cursor:help}.mw-parser-output .cs1-hidden-error{display:none;font-size:100%}.mw-parser-output .cs1-visible-error{font-size:100%}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration,.mw-parser-output .cs1-format{font-size:95%}.mw-parser-output .cs1-kern-left,.mw-parser-output .cs1-kern-wl-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right,.mw-parser-output .cs1-kern-wl-right{padding-right:0.2em}
  3. ^ Wüster, Wolfgang; Yrausquin, José Luís; Mijares-Urrutia, Abraham (2001). "A new species of indigo snake from north-western Venezuela (Serpentes: Colubridae: Drymarchon)" (PDF). Herpetological Journal. 11: 157–165. Archived from the original (PDF) on 2007-02-05. (Drymarchon caudomaculatus, new species).
  4. ^ Hammerson GA (2007). "Drymarchon couperi ". The IUCN Red List of Threatened Species. IUCN. 2007: e.T63773A12714602. doi:10.2305/IUCN.UK.2007.RLTS.T63773A12714602.en. Retrieved 23 December 2017.
  5. ^ Krysko, Kenneth L.; Granatosky, Michael C.; Nuñez, Leroy P.; Smith, Daniel J. (2016). "A cryptic new species of Indigo Snake (genus Drymarchon) from the Florida Platform of the United States". Zootaxa. 4138 (3): 549–569. (Drymarchon kolpobasileus, new species).
  6. ^ Lee J, Calderón Mandujano R, Lopez-Luna MA, Vasquez Díaz J, Quintero Díaz GE (2007). "Drymarchon melanurus". IUCN Red List of Threatened Species. Version 2010.4. International Union for Conservation of Nature. Retrieved 8 February 2011.CS1 maint: Multiple names: authors list (link)

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Drymarchon: Brief Summary
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Drymarchon is a genus of large nonvenomous colubrid snakes, commonly known as indigo snakes, endemic to the Southeastern United States, Central America, and South America. Three to four species are currently recognized.

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