Species guide
Eastern rat snake
HarmlessPantherophis alleghaniensis
What does Eastern rat snake look like?
A long (up to ~2 m), shiny black snake with a pale chin and belly, sometimes showing a faint checkerboard pattern. An excellent climber.
Is Eastern rat snake dangerous?
Non-venomous and beneficial — a superb rodent controller. If cornered it may vibrate its tail or release musk, but it isn't dangerous.
Commonly confused with
- Black racer: slimmer, faster, with a smooth satiny black look
What should I do about Eastern rat snake?
Leave it alone; it's doing free pest control around barns and gardens.