Why you should never kill a Black snake

Here's pics of the 3 main ones. Theres only 27 variaties. The Eastern Diamondback is the grand daddy of them all. They can reach lengths of 7-8 feet.
First pic is the Eastern.
Second is the Western.
Third is the Timber.

Eastern Diamondback.jpg

Western Diamondback.jpg

TimberRattler.jpg