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Browse three reviewed snakes at a time. Changing pages does not reload or move you away from the myths below.
Coniophanes imperialis
No medically significant venom known
Coniophanes imperialis (Regal Black-striped Snake) is a small to medium, slender colubrid found in parts of southern North America. Primarily nocturnal and secretive, it favors humid brush, forest edges, and riparian habitats. Not considered dangerously venomous to humans; bite effects are typically mild if any. Avoid handling wild snakes and take steps to exclude them from homes and outbuildings.
Crotalus willardi
Venomous
Crotalus willardi (Ridge-nosed Rattlesnake) is a small to medium-sized pit viper native to mountainous and rocky habitats in the southwestern United States, northern Mexico, and parts of California range extensions. It is venomous and uses heat-sensing pits to detect prey; bites can be medically significant and require prompt medical attention. Avoid approaching or attempting to handle.
Tantilla oolitica
No medically significant venom known
Small, secretive, burrowing snake native to limestone outcrops and tropical hardwood hammocks in southeastern Florida (endemic); rarely encountered, feeds on small invertebrates and centipedes; habitat specialist with conservation concerns.
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.