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The information contained on this page is provided as general health information and is not intended to substitute as medical advice and direction from your physician or health care provider. Please direct any questions related to your health care provider. In an emergency, call 9-1-1 or go to the nearest emergency center.


Venomous snakes - series

Rattlesnake

This is a rattlesnake.

Rattlesnake

Defining features

The top row displays the defining features of a rattlesnake. From left to right, a rattle on the tail, a triangular head, and hinged fangs.

Defining features

Underbelly

One way to determine if a snake is venomous is to look at its underbelly. If there is a single row of scales leading to the anal plate, the snake is venomous.

Underbelly