
Central American Indigo Snake
Drymarchon melanurus
A large, powerful, non-venomous colubrid related to the eastern indigo snake, with a glossy dark tail and lighter forebody.
- Venomous?
- Non-venomous
- Adult length
- 1.5-2.4 m (5-8 ft)
- Range
- Southern Texas through Mexico and Central America
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Overview
The Central American indigo snake is a large, fast-moving colubrid closely related to the eastern indigo snake of the southeastern United States. It ranges from southern Texas through Mexico and into Central America.
Its coloration often shows a gradient from lighter tan or orange at the head to glossy black toward the tail, giving rise to its species name referring to the dark tail.
How to identify it
- Large, robust body with glossy scales
- Head and forebody often tan, orange, or reddish, darkening to black toward the tail
- Smooth scales giving an iridescent sheen
- Broad head with round pupils
- Can appear nearly all black in some populations
Habitat & range
Found in a variety of habitats including tropical forests, thorn scrub, and semi-arid regions from southern Texas through Mexico and Central America. Occurs from lowlands to moderate elevations.
Behavior, diet & reproduction
Diurnal and highly active, covering large foraging ranges. Feeds on a broad diet of rodents, birds, reptiles, and amphibians. Lays eggs. Generally non-aggressive but can put on a defensive display if cornered.
Frequently asked questions
Is it venomous?
No, it is non-venomous.
How is it related to the eastern indigo snake?
It is a close relative found further west and south, from Texas through Central America.
Why is it called black-tailed?
Its tail is typically glossy black while the forebody may be lighter tan or orange.
How large can it grow?
Up to about 2.4 m (8 ft), one of the larger colubrids in its range.
Central American Indigo Snake guides
In-depth guides for identifying and understanding Central American Indigo Snake.