The eastern indigo snake (Drymarchon couperi)

The eastern indigo snake is a species of large, non-venomous snake in the family Colubridae. Native to the southeastern region of the United States, it is the longest native snake species in North America. Wikipedia
Conservation status: Least Concern (Population decreasing) Encyclopedia of Life
Scientific name: Drymarchon couperi
Higher classification: Drymarchon
Rank: Species
Family: Colubridae
Kingdom: Animalia
Order: Squamata