Few snakes are better-named than these “cheetahs” of the reptile world. Jet black, bright green, or multi-colored, and often quite sizable, a Racer at full speed must be seen to-be-believed. Among the most active of snakes, the world’s Racers draw much interest. However, as many adapt poorly to captivity unless provided with huge enclosures, they are best left to experienced keepers.