Drymarchon corais couperi NatureServe Explorer Species Reports — NatureServe Explorer is a source for authoritative conservation information on more than 50,000 plants, animals and ecological communtities of the U.S and Canada. NatureServe Explorer provides in-depth information on rare and endangered species, but includes common plants and animals too. NatureServe Explorer is a product of NatureServe in collaboration with the Natural Heritage Network.
ITIS Reports — ITIS (the Integrated Taxonomic Information System) is a source for authoritative taxonomic information on plants, animals, fungi, and microbes of North America and the world.
FWS Digital Media Library — The U.S. Fish and Wildlife Service’s National Digital Library is a searchable collection of selected images, historical artifacts, audio clips, publications, and video.Drymarchon is a genus of large nonvenomous colubrid snakes, commonly known as indigo snakes or cribos, found in the Southeastern United States, Central America, and South America. Reaching 3 m or more in length, they are among the world’s largest colubrid snakes. The eastern indigo snake (Drymarchon corais couperi) is a large, black, non-venomous snake found in the southeastern United States. Reaching lengths of almost 9 feet, it is the longest native snake in the United States. Its color is uniformly a lustrous black, although the chin, throat, and sometimes the cheeks may be red to creamy in color. Diet may include fish, frogs, toads, snakes, lizards, turtles, turtle eggs, small alligators, birds.