Small burrowing snake
Peters' Black-headed Snake
HarmlessTantilla petersi



3 photographs of the Peters' Black-headed Snake. (c) emijitala_14, some rights reserved (CC BY-NC).
The Peters' Black-headed Snake (Tantilla petersi) is a non-venomous snake in the Colubridae family, recorded in 1 country.
- Also called
- Small burrowing snake
- Family
- Colubridae
- Size
- Tiny, 6–12 in.
- Habitat
- Under rocks, logs, and leaf litter across many habitats.
- Behavior
- Secretive, burrowing insect- and centipede-eaters; almost never seen above ground.
- Identify
- Tiny and slender, plain brown or tan, often with a darker head cap.
About the Peters' Black-headed Snake
Tantilla petersi, also known commonly as Peters's black-headed snake, is a species of snake in the subfamily Colubrinae of the family Colubridae. The species is endemic to Ecuador.
Adapted from Wikipedia, available under CC BY-SA.
Frequently asked: Peters' Black-headed Snake
- Is the Peters' Black-headed Snake venomous?
- No. The Peters' Black-headed Snake (Tantilla petersi) is non-venomous and is not considered dangerous to humans. Like most snakes, it will retreat rather than bite when given the chance.
- Is the Peters' Black-headed Snake poisonous?
- Snakes are venomous, not poisonous. "Poisonous" means harmful to eat or touch; "venomous" means injecting toxins through a bite. The Peters' Black-headed Snake is neither poisonous nor venomous.
- Is the Peters' Black-headed Snake dangerous?
- The Peters' Black-headed Snake is not dangerous to humans. It has no medically significant venom and bites only defensively if cornered or handled.
- Where does the Peters' Black-headed Snake live?
- The Peters' Black-headed Snake has verified records in 1 country, including Ecuador. See the distribution section below for its full range.
- How do I identify the Peters' Black-headed Snake?
- Tiny and slender, plain brown or tan, often with a darker head cap.
- How big does the Peters' Black-headed Snake get?
- Tiny, 6–12 in.
Where it is found
More Colubridae snakes
Flat-headed SnakeTantilla gracilis
Plains Black-headed SnakeTantilla nigriceps
Black-headed SnakeTantilla melanocephala
Southeastern Crowned SnakeTantilla coronata
Southwestern Blackhead SnakeTantilla hobartsmithi
Western Black-headed SnakeTantilla planiceps
Bocourt's Black-headed SnakeTantilla bocourti
Florida Crowned SnakeTantilla relicta
Classification
How scientists group this snake, from the broadest category down to the exact species. Each step narrows to its closest relatives.
- OrderThe broad group of scaled reptiles: all snakes and lizards
- Squamata
- FamilyA group of related snakes that share key traits
- Colubridae
- GenusA close-knit group of very similar species
- Tantilla
- SpeciesThis exact snake, named in the two-part scientific name
- Tantilla petersi
Keep learning
- What to Do If You Find a SnakeFound a snake at home or on a trail? Here is how to stay calm, give it space, identify it safely, and know when to call a professional.
- Venomous vs Nonvenomous: How to Tell the DifferenceThe folk rules for telling venomous snakes apart, where each one fails, and why location-based identification beats guessing by sight.
- What Is a Snake? Anatomy and the BasicsA clear overview of what makes a snake a snake: limbless body plan, anatomy, evolution from lizards, species diversity, and why they are ectothermic.
- How to Keep Snakes Out of Your Yard and HomeA practical guide to keeping snakes out of your yard and home using habitat changes that work, plus what to skip and what to do if one shows up.
Distribution from GBIF & iNaturalist. Venom status per CDC. Background: Wikipedia. Informational only. Never handle a snake to identify it.