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Browse three reviewed snakes at a time. Changing pages does not reload or move you away from the myths below.
Masticophis taeniatus
No medically significant venom known
Masticophis taeniatus (Striped Whipsnake) is a fast, diurnal colubrid found in arid and semi-arid habitats of western North America. It is non-aggressive, primarily preys on lizards and small mammals, and has no medically significant venom known. Homeowners should observe from a distance, secure poultry/pet enclosures, and contact local wildlife or herpetological resources for removal advice.
Ficimia streckeri
No medically significant venom known
Small, secretive, mildly rear-fanged colubrid native to northeastern Mexico and adjacent Texas; non-aggressive, primarily eats invertebrates and small amphibians. Not known to pose a medical threat to humans; avoid handling.
Thamnophis elegans
Potentially venomous
Thamnophis elegans (Terrestrial gartersnake) is a small-to-medium natricine snake native to western North America. Often found in a variety of habitats including grasslands, open woodlands, and riparian edges, it feeds primarily on amphibians, fish, and small invertebrates. Generally non-aggressive, it may flee, coil, or release musk when threatened. It has mild oral secretions that can cause localized irritation but is not considered dangerously venomous to humans.
Juvenile venomous snakes can deliver medically significant bites, but the common claim that they are automatically more dangerous because they cannot control venom delivery is not supported as a general rule. Adult snakes usually have larger venom glands and can deliver a larger total amount.
Bottom line: Treat every suspected venomous snakebite as a medical emergency, regardless of the snake’s age.
Head shape alone is unreliable. Many nonvenomous snakes flatten or widen the head defensively, and viewing angle can change the apparent shape.
Bottom line: Do not approach a snake to inspect its head. Use multiple traits, location, and a safe-distance photograph.
Tourniquets can worsen tissue injury and are not recommended for typical United States snakebites. Emergency evaluation is more important.
Bottom line: Call 911 or Poison Control at 1-800-222-1222. Keep the person calm and do not cut, suck, ice, or tourniquet the bite.
Young copperheads can have a contrasting yellow or greenish tail tip used in caudal luring. It is soft and tapered, not a segmented rattle. The bright color usually fades with age.
Bottom line: Never move closer to inspect the tail. The feature is a clue, not permission to approach or handle the snake.
Several non-rattlesnake species vibrate their tails when threatened. Dry leaves can make the sound resemble a rattle.
Bottom line: A defensive tail vibration does not identify the species. Keep your distance.