What do I do if I see a poisonous snake bite on my dog? What are the snake bite symptoms? Today, I saw a unique case of a snakebite in a Terrier named Jess. We see these fairly common and I thought it would be an interesting article. In Tennessee, there are four snakes considered to cause potential problems in pets. They are collectively termed “pit vipers” and consist of the following: Northern and Southern Copperhead (Agkistrodon contortix), Timber Rattlesnake (Crotalus horridus), Western Cottonmouth (Agkistrodon piscivorus) and the Western Pigmy Rattlesnake (Sisturus miliarius). For more info on poisonous snakes in Tennessee  click here. The