
Two-Colored Snake
Rhadinaea bicolor
A small, slender Central American colubrid named for the sharply contrasting dark upperside and pale underside typical of the genus.
- Venomous?
- Non-venomous
- Adult length
- 0.3-0.5 m (1-1.6 ft)
- Range
- Mexico and Central America
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Overview
The two-colored snake is a small colubrid in the diverse Neotropical genus Rhadinaea, a group of slender, ground-dwelling snakes distributed through Mexico and Central America. Many members of this genus share a similar bicolored appearance, which gives the species group its common name.
It is not a well-known species outside of regional herpetological circles, being small, secretive, and easily overlooked in leaf litter.
The species is non-venomous and harmless to humans.
How to identify it
- Small, slender, smooth-scaled body
- Sharply bicolored appearance: dark brown, gray, or blackish above contrasting with a pale cream, yellow, or reddish belly
- Narrow head barely wider than the neck, with large eyes and round pupils
- Adults typically 30-50 cm (1-1.6 ft)
- Lacks any hooded appearance or banding pattern that would suggest a coral snake or venomous species
Habitat & range
Inhabits humid forest floor leaf litter, forest edges, and moist lowland to mid-elevation habitats across parts of Mexico and Central America. Often found under logs, rocks, and dense leaf litter in shaded, humid microhabitats.
Behavior, diet & reproduction
Primarily diurnal or crepuscular, foraging through leaf litter for small prey such as insects, slugs, and other invertebrates. It is a docile, secretive snake that relies on cover and quick movement rather than aggression when disturbed. Reproduction is egg-laying, with small clutches consistent with its modest body size.
Frequently asked questions
Is the two-colored snake venomous?
No, it is non-venomous and harmless to humans.
How big does the two-colored snake get?
It is small, typically 30-50 cm (1-1.6 ft) long.
Where is the two-colored snake found?
It occurs in humid forest habitats of Mexico and Central America.
Why is it called the two-colored snake?
It has a sharply contrasting dark upperside and pale underside, giving it a distinct bicolored appearance.
Two-Colored Snake guides
In-depth guides for identifying and understanding Two-Colored Snake.