on the move before I could get a good photo, but note white belly
Snake was exhibiting rattlesnake behavior (shaking its tail.)
About 2 feet long.
Coluber constrictor is a species of nonvenomous, colubrid snake, endemic to North America and Central America. Eleven subspecies, including the nominotypical subspecies, are recognized, which as a group are commonly referred to as the eastern racers.