Venomous · North Carolina

Eastern Diamondback Rattlesnake

Crotalus adamanteus

Very large rattlesnake with diamond markings. Rare in North Carolina and associated with southeastern habitats.

Venomous. Keep your distance and do not handle. This page is a field guide, not a definitive identification service.

Eastern Diamondback Rattlesnake (Crotalus adamanteus)
Photo by Yinan Li · CC BY-NC 4.0

At a glance

Size Usually 48-72 inches.
North Carolina range southern coastal plain
Habitat longleaf pine, sandhills, dry uplands
Diet Rabbits, rats, mice, squirrels, and other small mammals.
Pattern diamonds
Venomous Yes

How to identify it

Very large, heavy-bodied rattlesnake with dark diamond markings outlined in pale scales and a bold facial stripe.

Where to look in North Carolina

Extremely rare in North Carolina and limited to the southern Coastal Plain.

Longleaf-pine forests, sandy uplands, palmetto thickets, and coastal scrub.

North Carolina regional range for Eastern Diamondback Rattlesnake Highlighted official regions: Coastal Plain. Regional guidance is not a county-level occurrence record. Mountains Piedmont Coastal Plain

Regional maps show broad physiographic provinces, not county-level records.