Snake FinderField Guide · Worldwide

Tell them apart

Pygmy Rattlesnake vs. Louisiana Pinesnake

It matters: the Pygmy Rattlesnake is venomous, while the Louisiana Pinesnake is harmless.

Pygmy Rattlesnake

Pygmy Rattlesnake

Sistrurus miliarius

Venomous
Family
Viperidae
Group
Rattlesnake
Size
Small rattlesnakes, usually 1.5–3 ft.
Identify
Stout, dark-blotched body, nine large scales on the crown, and a small rattle.
Louisiana Pinesnake

Louisiana Pinesnake

Pituophis ruthveni

Harmless
Family
Colubridae
Group
Gophersnake / Bullsnake
Size
Large, 4–7 ft.
Identify
Large, blotched, with a slightly pointed snout and keeled scales — no rattle.

How to tell them apart

Gophersnakes and bullsnakes mimic rattlesnakes by hissing and vibrating the tail, but they are harmless and have no rattle.

Never rely on a single feature to judge a live snake. If you cannot positively identify it, keep your distance. Informational only.