These snakes come in various colors depending on the region — some are blue, others black or greenish, but all share the same speedy, slender bodies. The North American racer is a catch-all name ...

Southern black racer (Coluber constrictor priapus) – 4 mph (6 kph) The southern black racer is a snake in the Southeastern United States, which is a very agile and fast-moving snake. It moves at ...