rattlesnakes in missouri
Sarah Martinez
Updated on June 07, 2026
Timber rattlesnakes live on rocky, wooded hillsides and mature forests. In Missouri, they tend to congregate in selected south-facing rocky areas where they overwinter.
How many rattlesnakes are in Missouri?
Similar species: Three other rattlesnakes are known from Missouri. The timber rattlesnake (Crotalus horridus) occurs statewide; adults are 3 to 5 feet long and have large rattles. Our other two rattlesnakes are massasaugas; they are rare and only found in northern Missouri.
Are there any diamondback rattlesnakes in Missouri?
Missouri Distribution: Restricted to the southeastern corner of the state. Of the seven types of water snakes native to Missouri, the diamondback is the largest. The common name is derived from the light areas along the snake’s back which may be shaped like diamonds.
What are the 5 venomous snakes of Missouri?
There are five poisonous snakes in the state of Missouri: the Osage Copperhead, Western Cottonmouth, Timber Rattlesnake, Eastern Massasauga Rattlesnake, and the Pygmy Rattlesnake. These snakes all belong to the family Crotalidae, also known as pit vipers.
Where can I find timber rattlesnakes in Missouri?
In general, timber rattlesnakes may be associated with large areas of rugged, hilly, heavily forested terrain with ledges and bluffs. In the northern half of Missouri, there are rock ledges and river bluffs where this species and others (such as copperheads and western ratsnakes) congregate in overwintering dens.
What is the deadliest animal in Missouri?
You’ll Want To Steer Clear Of The 5 Most Dangerous Animals Found In Missouri
Osage Copperheads. Flickr/Peter Paplanus. Missourians are no strangers to snakes. Black Bears. Flickr/Bess Sedler. Black Widows. Flickr/Roadside Pictures. Coyotes. Flickr/Andy Reago and Chrissy McClarren. Ticks. Flickr/R.
Are snakes a problem in Missouri?
Missouri’s venomous snakes include the copperhead, cottonmouth, western pygmy rattlesnake, massasauga rattlesnake, and timber rattlesnake. The western diamond-backed rattlesnake and coralsnake are not found in Missouri. The most common venomous snake in Missouri is the copperhead.
Does Missouri have water moccasins?
Cottonmouths are the ONLY venomous water snake in Missouri.
Be on the lookout for these water snakes near swamps, marshes, ponds, and slow-moving streams and rivers, as well as flooded fields and drainage ditches. But they aren’t limited to just aquatic habitats.
What does a Missouri garter snake look like?
Red-sided Gartersnake (Thamnophis sirtalis parietalis)
This species is black, brown, or olive in color with distinct red or orange bars on the sides. In addition to these red markings, a lighter middorsal and lateral stripes run down the length of the body. The ventral scales are lighter but can have a few dark spots.
What is the most venomous snake in Missouri?
Timber Rattlesnake (Crotalus horridus)
The Timber Rattlesnake can be found in almost every state in the eastern half of the United States, including most of east and central Missouri. It is the largest venomous snake in Missouri, spanning up to five feet in length.
Is a Midland brown snake poisonous?
Natural History: The midland brown snake is small snake that is very secretive. It prefers moist areas and is generally under rocks, logs, or rotting wood. It is NOT VENOMOUS!!.
Are there Copperheads in Missouri?
The eastern copperhead is the most common venomous snake in Missouri. Its color varies from grayish brown to pinkish tan, with distinctive hourglass-shaped crossbands.
How many snake bites a year in Missouri?
Nearly 100 people are bitten by snakes each year in Missouri, but about 25 percent of bites are dry, or non-venomous.
What Missouri snake looks like a copperhead?
About: The prairie kingsnake is fairly common throughout the state. It lives in prairies and open woods, as well as rocky, wooded hillsides. Kingsnakes kill their prey by constriction. Young or newly hatched prairie kingsnakes often are confused with the venomous copperhead.
Are baby rattlesnakes born with rattles?
All rattlesnakes are born with a rattle, but they can permanently loose their rattles from an injury at the very tip of their tail just before their rattles start.
What do you do if you get bit by a timber rattlesnake?
First aid for snake bites
Call 911 immediately.Note the time of the bite.Keep calm and still as movement can cause the venom to travel more quickly through the body.Remove constricting clothing or jewelry because the area surrounding the bite will likely swell.Don’t allow the victim to walk.
Are there rattlesnakes in St Louis Missouri?
Missouri has five species of venomous snakes – the Osage copperhead, timber rattlesnake, Western cottonmouth, Western pygmy rattlesnake and Eastern massasauga rattlesnake. Copperheads are the most plentiful of these. Timber rattlesnakes also are known to live in the St. Louis area.
Are timber rattlesnakes protected in Missouri?
Snakes in Missouri are protected by state law. The Wildlife Code of Missouri treats snakes, lizards and most turtles as nongame. Being nongame means there is no open season on these animals, and it is technically illegal to kill them.