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Browse three reviewed snakes at a time. Changing pages does not reload or move you away from the myths below.
Sonora episcopa
No medically significant venom known
A small, nonvenomous colubrid found across the southern Great Plains and adjacent areas; secretive and mainly nocturnal/crepuscular, often found under cover objects or in grasslands and open woodlands.
Pantherophis emoryi
No medically significant venom known
Pantherophis emoryi (Great Plains Ratsnake) is a nonvenomous colubrid native to central North America that commonly occupies grasslands, agricultural edges, and woodlands. It primarily controls rodent populations but may enter buildings or outbuildings in search of prey. Exercise caution if encountered and contact local wildlife control if removal is needed.
Senticolis triaspis
No medically significant venom known
Senticolis triaspis (Green Ratsnake) is a nonvenomous to mildly rear-fanged colubrid found in parts of the southern United States, Mexico, and Central America. Generally arboreal and diurnal, it feeds mainly on rodents, birds, and their eggs. It can enter buildings while hunting; homeowners should avoid handling and use exclusion and humane removal by professionals when needed.
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.