Southeastern crown snake

Southeastern crown snake
Tantilla coronata in Florida
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Subphylum: Vertebrata
Class: Reptilia
Order: Squamata
Suborder: Serpentes
Family: Colubridae
Subfamily: Colubrinae
Genus: Tantilla
Species: T. coronata
Binomial name
Tantilla coronata
Baird & Girard, 1853
Synonyms
  • Tantilla coronata Baird & Girard, 1853
  • Homalocranium wagneri Jan, 1862
  • Homalocranium coronatum
    Boulenger, 1896
  • Tantilla coronata Cope, 1900[1][2]

The southeastern crown snake (Tantilla coronata) is a common species of small colubrid snake endemic to the southeastern United States.

Geographic range

It is found in Alabama, northwestern Florida, Georgia, extreme southern Indiana, western Kentucky, eastern Louisiana, Mississippi, North Carolina, South Carolina, Tennessee, and south-central Virginia.[3][4]

Description

It has a black head with a yellowish crossbar on the occiput, followed by a black collar 3 to 5 scales wide. The remainder of the dorsum is reddish brown, and the underside is whitish. It has smooth dorsal scales in 15 rows and a divided anal plate.[1] Adults average 20–25 cm (8-10 inches) in total length.[3]

Diet

It feeds on small invertebrates such as termites, worms, centipedes and earth-dwelling insect larvae.[5]

Venom

The crown snakes does possess a mild venom. The venom does not pose a threat to humans, but may cause some redness in the area and a white dot where the teeth entered the skin.

Reproduction

Females lay 1-3 eggs in the summer that hatch in the fall.[6]

Conservation status

In Indiana, the southeastern crown snake is listed as an endangered species.[7]

References

  1. 1 2 Boulenger, G.A. 1896. Catalogue of the Snakes in the British Museum (Natural History). Volume III., Containing the Colubridæ (Opisthoglyphæ and Proteroglyphæ),... Trustees of the British Museum (Natural History). (Taylor and Francis, Printers.) London. xiv + 727 pp. + Plates I.- XXV. (Homalocranium coronatum, pp. 218-219.)
  2. Stejneger, L., and T. Barbour. 1917. A Check List of North American Amphibians and Reptiles. Harvard University Press. Cambridge, Massachusetts. 125 pp. (Tantilla coronata, p. 105.)
  3. 1 2 Conant, R. 1975. A Field Guide to Reptiles and Amphibians of Eastern and Central North America, Second Edition. Houghton Mifflin. Boston. xviii + 429 pp. ISBN 0-395-19979-4 (hardcover), ISBN 0-395-19977-8 (paperback). (Tantilla coronata, pp. 219-220 + Plate33 + Map 163.)
  4. The Reptile Database. www.reptile-database.org.
  5. Schmidt, K.P., and D.D. Davis. 1941. Field Book of Snakes of the United States and Canada. G.P. Putnam's Sons. New York. 365 pp. (Tantilla coronata, pp. 270-271, Figure 89.)
  6. "Southeastern Crowned Snake (Tantilla coronata) at Savannah River Ecology Laboratory". Retrieved March 22, 2013.
  7. Indiana Legislative Services Agency (2011), "312 IAC 9-5-4: Endangered species of reptiles and amphibians", Indiana Administrative Code, retrieved April 28, 2012

Further reading

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