Equid refers to members of the family Equidae, which includes horses, donkeys, and zebras. These animals are known for their long legs, strong bodies, and social behavior. They are herbivorous mammals that primarily graze on grasses and other vegetation. Equids have played a significant role in human history, serving as companions, work animals, and sources of transportation. Their domestication has greatly influenced agriculture and trade. Today, equids are also popular in recreational activities such as riding and racing, showcasing their versatility and importance in various cultures around the world.