Drymarchon melanurus erebennus, commonly known as the Texas indigo snake, is a large, nonvenomous, colubrid snake native to Texas and Mexico. (Source. Drymarchon melanurus – (Dumeril, Bibron, and Dumeril, ) Central American Indigo Snake Other English Common Names: Central American indigo snake. Range Description. The range extends in the United States from southern Texas and Sonora south through the Gulf Coast of Mexico through the Yucatan.

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Many of the several studies that report small home ranges for colubrids did not employ methods e. Their dorsal surface color is translucent black or blue-black, from which their common name of “indigo” comes.

The Middle American indigo snake Drymarchon melanurusalso known as the blacktail cribois a large, non venomouscolubrid snake species found in the southwestern United StatesMexicoCentral Americaand northern South America. Herpetological Review 47 1: Bulletin of the Chicago Herpetological Society 53 4: Amphibians and Reptiles of the Municipality of Tecuala.

Drymarchon corais occurs in South America east of the Andes Wuster et al.

Central American Indigo Snake (Drymarchon melanurus) ยท

When captured, indigos may bite repeatedly and release melanudus smelling musk and feces to instigate their release. Please refer to our Distribution Data Sources to find contact information for your jurisdiction.

Windward Publishing Company, Miami, Florida. N Long Distance Migrant: For migratory birds, some individuals occur outside of the passage migrant range depicted. Check List 11 3: Online with updates at: Tweet Please submit feedback about this entry to the curator.

Drymarchon melanurus Taxonomic Comments: NatureServe makes no representations about the suitability of the information delivered from this server or any other documents that are referenced to or linked to this server. Pantherophis and probably other colubrids exhibit high fidelity to hibernacula and shift even to nearby sites only rarely Prior et al.


Up to 12 eggs are deposited and the young hatchlings appear about 80 days later, measuring up to 66 cm 26 in long and possessing more red coloration towards their heads melanjrus do the adults. States and Canadian Provinces Due to latency between updates made in state, provincial or other NatureServe Network databases and when they appear on NatureServe Explorer, for state or provincial information you may wish to contact the data steward in your jurisdiction to obtain the most current data.

Mesoamerican Herpetology 3 1: All documents and related graphics provided by this server and any other documents which are referenced by or linked to this server are provided “as is” without warranty ddymarchon to the currentness, completeness, or accuracy of any specific data. Snakes of South America. Society for the Study of Amphibians and Reptiles. NatureServe may update or make changes to the documents provided by this server at any time without notice; however, NatureServe makes no commitment to update the information contained herein.

Carnivore, Invertivore Food Comments: In Texas, it occurs primarily along riparian corridors in thorn brush woodland and mesquite savanna of the coastal plain, but also in prairies, coastal sandhills, and limestone desert Tennant This page was last edited on 17 Melanirusat Additionally, this subspecies usu- ally has 14 dorsal scale rows anterior to the vent. Indigo snakes are found from the southern U.

The underside is a lighter olive-yellow, olive-tan color. Notes on the Herpetofauna of Western Mexico Eats small mammals, birds, frogs, lizards, snakes, and other vertebrates of appropriate size. Available information on movements of colubrid snakes is limited to a small minority of species. Animals, Vertebrates – Reptiles – Snakes.

For the purposes of these occurrence specifications, upland habitat is regarded as unsuitable habitat for aquatic and wetland snakes. The head and ddymarchon often are reddish or orange brown, with the head also having at times prominent dark lines radiating downward from the eye.


This is a primarily terrestrial snake that often uses burrows. Such evidence minimally includes collection or reliable observation and documentation of one or more individuals including eggs in or near appropriate habitat where the species is presumed to be established and breeding.

Drymarchon melanurus

Any rights not expressly granted herein are reserved by NatureServe. Separation distance for suitable habitat was changed from 5 km to 10 km based on comments from Dale Jackson 12 Feb Handbook of reptiles and amphibians of Florida. University of Oklahoma Press, Norman. Often active in the mornings, indigo snakes are voracious foragers that actively search for anything small enough to swallow, including other large snakes including rattlesnakes and birds.

They can be found lying along canal banks or coiled in the lower branches of trees overhanging ponds or streams. The specific epithet is Greek, from the words melano, meaning “black” and urus, meaning “tail”.

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Drymarchon melanurus | Herps of Texas

Wikimedia Commons has media related to Drymarchon melanurus. The data provided is for planning, assessment, and informational purposes. Nothing contained herein shall be construed as conferring by implication, estoppel, or otherwise any license or melanuruw under any trademark of NatureServe. Mesoamerican Herpetology 2 1: Conservation status of the herpetofauna, protected areas, and current problems in Valle del Cauca, Colombia. Structure, Function and Behavior of the World’s Snakes.

Indigo snakes are listed as threatened by the Texas Parks and Wildlife Department and are protected by the state of Texas.