Timber rattlesnake

Venomous · Crotalus horridus
DangerousA bite is a medical emergency

Usually calm and slow to strike, but a bite is a medical emergency.

Lives in
31 states
Size
36–60 in
Open US records
5,164
Group
Snake
Timber rattlesnake (Crotalus horridus)
Photo: Peter Paplanus from St. Louis, Missouri, CC BY 2.0, via Wikimedia Commons

How to identify it

Size: 36–60 in (total length). Habitat: Rocky wooded hillsides in the North, bottomland forest and canebrakes in the South.

Also called canebrake rattlesnake, banded rattlesnake.

Where it lives

Alabama: lives here, 281 open recordsAlaska: not here, 0 open recordsArizona: not here, 0 open recordsArkansas: lives here, 91 open recordsCalifornia: not here, 1 open recordColorado: not here, 0 open recordsConnecticut: lives here, 119 open recordsDelaware: gone, 0 open recordsFlorida: lives here, 39 open recordsGeorgia: lives here, 402 open recordsHawaii: not here, 0 open recordsIdaho: not here, 0 open recordsIllinois: lives here, 132 open recordsIndiana: lives here, 52 open recordsIowa: lives here, 68 open recordsKansas: lives here, 300 open recordsKentucky: lives here, 66 open recordsLouisiana: lives here, 191 open recordsMaine: gone, 1 open recordMaryland: lives here, 64 open recordsMassachusetts: lives here, 22 open recordsMichigan: rare records, 1 open recordMinnesota: lives here, 70 open recordsMississippi: lives here, 51 open recordsMissouri: lives here, 212 open recordsMontana: not here, 0 open recordsNebraska: lives here, 24 open recordsNevada: not here, 0 open recordsNew Hampshire: lives here, 2 open recordsNew Jersey: lives here, 78 open recordsNew Mexico: not here, 0 open recordsNew York: lives here, 269 open recordsNorth Carolina: lives here, 771 open recordsNorth Dakota: not here, 0 open recordsOhio: lives here, 77 open recordsOklahoma: lives here, 134 open recordsOregon: not here, 0 open recordsPennsylvania: lives here, 588 open recordsRhode Island: gone, 0 open recordsSouth Carolina: lives here, 217 open recordsSouth Dakota: not here, 0 open recordsTennessee: lives here, 87 open recordsTexas: lives here, 278 open recordsUtah: not here, 0 open recordsVermont: lives here, 15 open recordsVirginia: lives here, 284 open recordsWashington: not here, 0 open recordsWest Virginia: lives here, 51 open recordsWisconsin: lives here, 126 open recordsWyoming: not here, 0 open records
Lives in 31 states; rare records from 1 more state. Tap a state for details.

When it is out

Jan: 11 records (Timber rattlesnake)JanFeb: 11 records (Timber rattlesnake)FebMar: 42 records (Timber rattlesnake)MarApr: 178 records (Timber rattlesnake)AprMay: 404 records (Timber rattlesnake)MayJun: 437 records (Timber rattlesnake)JunJul: 420 records (Timber rattlesnake)JulAug: 395 records (Timber rattlesnake)AugSep: 336 records (Timber rattlesnake)SepOct: 159 records (Timber rattlesnake)OctNov: 32 records (Timber rattlesnake)NovDec: 2 records (Timber rattlesnake)Dec
Open US records by month; most fall in May to August.

Look-alikes

State by state

StateStatusOpen recordsCounties
North CarolinaLives here77126
PennsylvaniaLives here58846
GeorgiaLives here40259
KansasLives here30026
VirginiaLives here28437
AlabamaLives here28145
TexasLives here27850
New YorkLives here26919
South CarolinaLives here21723
MissouriLives here21213
LouisianaLives here19125
OklahomaLives here13425
IllinoisLives here1326
WisconsinLives here1267
ConnecticutLives here1195
ArkansasLives here9116
TennesseeLives here8724
New JerseyLives here785
OhioLives here7712
MinnesotaLives here703
IowaLives here686
KentuckyLives here6615
MarylandLives here645
IndianaLives here527
MississippiLives here5119
West VirginiaLives here5116
FloridaLives here3910
NebraskaLives here244
MassachusettsLives here223
VermontLives here151
New HampshireLives here21
MaineGone10
DelawareGone00
Rhode IslandGone00
MichiganRare records11
CaliforniaNot here10

States not listed have no open records and are outside the range.

Questions

Where does the timber rattlesnake live?

In 31 states: Alabama, Arkansas, Connecticut, Florida, Georgia, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maryland, Massachusetts, Minnesota, Mississippi, Missouri, Nebraska, New Hampshire, New Jersey, New York, North Carolina, Ohio, Oklahoma, Pennsylvania, South Carolina, Tennessee, Texas, Vermont, Virginia, West Virginia and Wisconsin. Rare records also come from Michigan.

Is the timber rattlesnake dangerous?

Dangerous. Usually calm and slow to strike, but a bite is a medical emergency.

How do you identify a timber rattlesnake?

Dark V- or chevron-shaped bands across the back. Black tail ending in a rattle. Yellow, tan or dark phases; some are almost black.

When is the timber rattlesnake most active?

Most open US records fall in May to August.