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Home / Animals / Reptiles / Eastern indigo snake
Reptile

Eastern indigo snake

Scientific name: Drymarchon couperi (Holbrook, 1842)

Eastern indigo snake (Drymarchon couperi)
Photo: Dirk Stevenson · Public domain · Wikimedia Commons

Overview

The eastern indigo snake is a species of large, nonvenomous snake in the subfamily Colubrinae of the family Colubridae. Native to the Southeastern United States, it is the longest native snake species in the country.

From the Wikipedia article “Eastern indigo snake”, available under CC BY-SA 4.0.

Conservation status

Least concern on the IUCN Red List, as recorded on Wikidata, citing The IUCN Red List of Threatened Species 2022.2.

Where it lives

The Catalogue of Life records it in: USA (Georgia, Florida, probably South Carolina).

Range map of the Eastern indigo snake
Range map: compiled by rbrausse with Quantum GIS Map data: Made with Natural Earth. Free vector and raster map data @ naturalearthd... · CC BY-SA 3.0 · Wikimedia Commons

Common names

Also known in English as Blue Bull Snake, Blue Indigo Snake, Gopher Snake, Gulf Coast Indigo Snake [kolpobasileus [kolpobasileus].

Names in other languages (2)
Chinese
东部靛蓝蛇
German
Östliche Indigonatter

Related animals

Sources

  • Catalogue of Life — scientific name, classification, common names and range. Version 2026-09-11, CC BY 4.0. This species in the Catalogue of Life.
    Citation

    Bánki, O., Roskov, Y., Döring, M., Ower, G., Hernández Robles, D. R., Plata Corredor, C. A., Stjernegaard Jeppesen, T., Örn, A., Pape, T., Hobern, D., Garnett, S., Little, H., DeWalt, R. E., Miller, J., Orrell, T., Aalbu, R., Abbott, J., Aedo, C., Aescht, E., et al. (2026). Catalogue of Life (Version 2026-09-11). Catalogue of Life Foundation, Amsterdam, Netherlands. https://doi.org/10.48580/dgz5n Source database: The Reptile Database.

  • GBIF — species page and recorded occurrences.
  • Wikidata — conservation status, names in other languages. Q2710665, CC0 1.0.
  • Wikipedia — overview, from the article “Eastern indigo snake”, CC BY-SA 4.0.
  • Photo — Dirk Stevenson, Public domain, via Wikimedia Commons. File page.
  • Range map — compiled by rbrausse with Quantum GIS Map data: Made with Natural Earth. Free vector and raster map data @ naturalearthdata.com. Range data: Hammerson, G.A. 200..., CC BY-SA 3.0, via Wikimedia Commons. File page.

Last updated: 4 October 2026

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