The term 'Leporid Mammal' refers to two species of mammals in the family Leporidae, which includes rabbits and hares. The most common species of RABBIT is the European RABBIT (Oryctolagus cuniculus), which has six letters in its scientific name. Hares are larger than rabbits and have four letters in their scientific name. Both species are found in many parts of the world and are known for their long ears, short tails, and powerful hind legs. They are also herbivores, feeding on grasses, herbs, and other vegetation.