European hare adaptions for high speed running in hares include wider nostrils and larger hearts. In comparison to the European rabbit, the hare has a proportionally smaller stomach and caecum. This hare is one of the largest of the lagomorphs. Its head and body length can range from with a tail length of . The body mass is typically between . The hare's elongated ears range from from the notch to tip. It also has long hind feet that have a length of between . The skull has nasal bones that are short, but broad and heavy. The supraorbital ridge has well-developed
Swamp rabbit Swamp rabbit 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 species has a strong preference for wet areas, and it will take to the water and swim. The swamp rabbit is found in much of the south-central United States and along the Gulf coast. It is most abundant in Alabama, Mississippi, and Louisiana, but also inhabits South Carolina, Tennessee, Texas, Oklahoma, Arkansas, Missouri, Kansas, Kentucky, Illinois, Indiana, and Georgia. Swamp rabbits