Timber Rattlesnake

Timber Rattlesnake

Crotalus horridus

Least ConcernNear ThreatenedVulnerableEndangeredCritically Endangered
10–20% · With luck
overall probability at Congaree National Park

Closest Relatives at Congaree National Park

Northern Cottonmouth
LC Endemic

Northern Cottonmouth

🌅 Crepuscular Reptile

Agkistrodon piscivorus

60–70% · Likely
Eastern Copperhead
LC Endemic

Eastern Copperhead

☀️🌙 Day & Night Reptile

Agkistrodon contortrix

30–40% · Possible

📅 Monthly Probability

<5
Jan
<5
Feb
0–10
Mar
10–20
Apr
10–20
May
10–20
Jun
10–20
Jul
10–20
Aug
20–30
Sep
20–30
Oct
10–20
Nov
<5
Dec

☀️ When They're Spotted

Most active during daytime hours (6am–6pm) · across all parks (global)

☀️Diurnal
☀️🌙🌙12am6am12pm6pm12am

Global Distribution

Where this species is recorded worldwide. Restricted to human observations from 2019 onwards — the same kind of record and the same period the probabilities on this page are built from, so collar-tracking studies, camera-trap arrays and museum specimens are excluded. Around Santa Rosa that removes 5,924 GPS fixes from a handful of tagged jaguars.

where this species is recorded (GBIF density — it tracks where observers go, not how likely a sighting is)  ·  parks where it occurs — tap a pin for the sighting probability there

Parks Where Found

# Park Country Probability
1 Shenandoah National Park 🇺🇸 United States
30–40%
2 Great Smoky Mountains National Park 🇺🇸 United States
20–30%
3 Congaree National Park 🇺🇸 United States
10–20%

Quick answers

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

About 15% of visitor-days record a Timber Rattlesnake sighting in Congaree National Park, based on 11 observer-days of citizen-science data from GBIF.

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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