Viperidae

Timber Rattlesnake

Crotalus horridus

Venomous
Timber Rattlesnake
(c) Justin, some rights reserved (CC BY) · CC BY 4.0 · Image source ↗Displayed copies may be resized; the full image is preserved.

A closer look

A large, generally secretive forest rattlesnake protected by the state. It is most often associated with mature forest and rocky slopes and typically feeds on rodents and squirrels.

Habitat
Mature forest & rocky slopes
On the menu
Rodents and squirrels
Behavior
A sit-and-wait hunter that relies on camouflage, heat-sensing pits, and a rapid strike.
Danger level: medical emergency

A suspected bite needs emergency medical care. Do not wait for symptoms or use this guide to judge severity.

Safety & bite guidance ↗
Watch this snake & listen to its story ↗

Where it is listed

A sense of place.

34 jurisdictions
Timber Rattlesnake: jurisdiction presenceHighlighted jurisdictions: Alabama, Arkansas, Connecticut, Washington, D.C., Florida, Georgia, Iowa, Illinois, Indiana, Kansas, Kentucky, Louisiana, Massachusetts, Maryland, Maine, Minnesota, Missouri, Mississippi, North Carolina, Nebraska, New Hampshire, New Jersey, New York, Ohio, Oklahoma, Pennsylvania, Rhode Island, South Carolina, Tennessee, Texas, Virginia, Vermont, Wisconsin, West Virginia. This map shows checklist presence, not local occurrence.ALASKAHAWAIITERRITORIESPR · VIGU · AS · MP
Source-listedProvisionalNo record in this snapshot

Checklist presence only. A highlighted state is not a local range boundary. Territory tiles are schematic.

State & territory checklist

About continuous range data

A verified habitat-model layer is not available for this species in this release. Earlier broad sketches connected jurisdiction locations; they did not show measured occurrence or USGS habitat predictions.

Use USGS distribution resources ↗ for available modeled habitat data.