As Ted suggested please, please return rocks back to the position you found them *after* removing any snakes, salamanders, etc that are under them. You can use a stick to prod any snakes out from under the rock. If you’re not sure how to identify it, use a stick anyway just to be safe to gently move it. Set whatever you moved somewhere near the rock and it will go back under it most of the time. Don’t try to turn rocks over with snake hooks or sticks, that does not work and it will slip off and smash things. Use your hands.