The swamp rabbit (Sylvilagus aquaticus), or swamp hare, is a large cottontail rabbit found in the swamps and wetlands of the southern United States. Other common names for the swamp rabbit include marsh rabbit and cane-cutter. The common name, along with the species name aquaticus (meaning found in water), are suitable names for a species with a strong preference for wet areas and that will take to the water and swim.