The copperhead eats mainly rodents, especially mice. Sometimes it eats birds, other reptiles, even snakes, and amphibians. They also feed on some insects, a lot of times cicadas, because of their size that'll fill a copperhead up. They eat other animals, but they're not the apex predator around their habitat, Their natural predators include kingsnakes, water moccasins (also known as cottonmouths), bullfrogs, large birds of prey, coyotes, alligators, and a other predators.