Timber Rattlesnake

Timber Rattlesnake

Crotalus horridus

Silhouette: Andy Wilson · PhyloPic

Least ConcernNear ThreatenedVulnerableEndangeredCritically Endangered
Daily sighting probability ~10% · With luck
at Congaree National Park
11 Verified sightings at Congaree National Park From 2019 to 2026
208 Verified sightings across all 2 parks From 2019 to 2026
September Best month highest sighting rate
☀️ Diurnal When it's spotted during daytime hours (6am–6pm)

About the Timber Rattlesnake

The timber rattlesnake (Crotalus horridus), also known commonly as the banded rattlesnake, and the canebrake rattlesnake in the southern United States, is a species of pit viper in the family Viperidae. The species is native to the eastern United States. Like all other pit vipers, it is venomous, with a very toxic bite. Its venom is extremely potent, and both hemorrhagic and neurotoxic venom are present depending on population and location. C. horridus is the only rattlesnake species in most of the populous Northeastern United States and is one of the most northerly distributed venomous snakes in North America. There are no subspecies that are recognized as being valid.

The timber rattlesnake was one of the many reptile species originally described by Carl Linnaeus in the landmark 1758 10th edition of his Systema Naturae, and still bears its original name Crotalus horridus. The subspecies C. h. atricaudatus (Latreille in Sonnini and Latreille, 1802), often referred to as the canebrake rattlesnake, is currently considered invalid. Previously, it was recognized by Gloyd (1936) and Klauber (1936). Based on an analysis of geographic variation, Pisani et al. (1972) concluded... Wikipedia →

Global Distribution

Warmer areas are where this animal is recorded most often.

Parks Where Found

# Park Country Daily sighting probability
1 Shenandoah National Park 🇺🇸 United States
~30%
2 Congaree National Park 🇺🇸 United States
~10%

Quick answers

What are the chances of seeing a Timber Rattlesnake in Congaree National Park?

About 10% of wildlife watchers report a Timber Rattlesnake sighting in Congaree National Park, based on 11 verified sightings from GBIF citizen-science data.

When is the best time to see Timber Rattlesnake in Congaree National Park?

September has the highest sighting rate for Timber Rattlesnake in Congaree National Park in our monthly data.

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