Snake was digging a hole in the mud bank
Constricting what appears to be a worm snake Carphophis amoenus.
Mason Farm Biological Preserve, Orange/Durham Counties, NC
Lampropeltis getula (Common names include eastern kingsnake,common kingsnake,chain kingsnake, (more)) is a harmless colubrid species found in the United States and Mexico. It has long been a favorite among collectors. Eight subspecies are currently recognized, including the nominate subspecies described here.