This is a closeup of a Black Kingsnake’s (Lampropeltis getula nigra) head. They are large to medium constrictors that are cannibalistic, and they are immune to the venom of snakes on which it prey. They are also known as: Eastern black kingsnake, common kingsnake, kingsnake, Carolina kingsnake, chain snake, bastard horn snake, black moccasin, common chain snake, cow sucker, horse racer, master snake, oak-leaf rattler, pied snake, pine snake, racer, rattlesnake pilot, thunder-and-lightning snake, thunderbolt, thunder snake, wamper, wampum snake, or pied piper.
Northern Water Snake, Midland Water Snake or Banded Water Snake (Nerodia sipedon).