Tropical Hognose Snake
Xenodon rabdocephalus
A stout, upturned-snouted colubrid known for its dramatic bluffing displays when threatened.
- Venomous?
- Mildly venomous
- Adult length
- 0.5-0.9 m (1.5-3 ft)
- Range
- Mexico through Central America to northern South America
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Overview
The tropical hognose snake is a stocky, terrestrial colubrid found from Mexico through Central America into parts of northern South America. Like its North American relatives, it has an upturned snout used for digging out buried amphibian prey.
It is known for elaborate defensive displays, including hissing, hood-flattening, and mock strikes, though it is only mildly venomous and not dangerous to humans.
How to identify it
- Stout body with a distinctly upturned, pointed snout
- Brown, gray, or olive dorsal coloration with irregular dark blotches
- Can flatten the neck into a hood-like shape when threatened
- Keeled dorsal scales
- Distinguished from true vipers by its round pupils and lack of a triangular head
Habitat & range
Inhabits humid lowland forest, forest edge, and agricultural clearings from Mexico through Central America and into parts of northern South America.
Behavior, diet & reproduction
Primarily diurnal to crepuscular, feeding heavily on toads and frogs, which it may dig out of soil or leaf litter. Known for dramatic bluff displays including hissing and playing dead. Egg-laying.
Frequently asked questions
Is the tropical hognose snake venomous?
It has mild venom in rear fangs, but it is not considered dangerous to humans.
Why does it flatten its neck?
It flattens its neck into a hood as part of a bluffing defensive display to appear more intimidating.
What does it eat?
It feeds primarily on toads and frogs.
Does it really play dead?
Yes, like North American hognose snakes, it may feign death as a last-resort defense.
Tropical Hognose Snake guides
In-depth guides for identifying and understanding Tropical Hognose Snake.
