of wild horses occur in a number of other places, including Sable Island off the coast of Nova Scotia, Assateague Island off the coast of Virginia and Maryland, Cumberland Island, Georgia, and Vieques Island off the coast of Puerto Rico. Some of these horses are said to be the descendants of horses that managed to swim to land when they were shipwrecked. Others may have been deliberately brought to various islands by settlers and either left to reproduce freely or abandoned when assorted human settlements failed. More than 700 feral wild horses live in the foothills of Cincar Mountain, between Livno and Kupres, Bosnia and Herzegovina, in an area of roughly . These animals, which descend from horses set free by their owners in the 1950s, enjoy a protected status since 2010. A modern wild horse population (janghali ghura) is found in the Dibru-Saikhowa National Park and Biosphere reserve of Assam, in north-east India, and is a herd of about 79 horses descended from animals that escaped army camps during World War II. Many prehistoric horse species, now extinct, evolved in North America, but the wild horses of today are the offspring of horses that were domesticated in Europe. In the Western United States, certain bands of horses and burros are protected under the Wild and Free-Roaming Horses and Burros Act of 1971. About 40,000 mustangs are left in the United States. Modern feral horses Modern types of feral horses that have a significant percentage of their number living in a feral state, though domesticated representatives may exist, include these types, landraces, and breeds: Africa Kundudo horse, in the Kundudo region, Ethiopia; threatened with extinction Namib desert horse in Namibia North America see also Free-roaming horse management in North America Alberta Mountain Horse or Alberta Wildie, in the foothills of the Eastern Slopes of the Rocky Mountains of Alberta, Canada Banker horse on the Outer Banks of North Carolina, United States Chincoteague Pony on Assateague Island off the coasts of Virginia and Maryland, United States Cumberland Island horse on Cumberland Island off the coast of southern Georgia, United States Elegesi Qiyus Wild Horse (Cayuse) in the Nemaiah Valley, British Columbia, Canada Mustang in the western United States, legally protected by the Wild and Free-Roaming Horses and Burros Act of 1971 Nokota horse in North Dakota, United States Sable Island horse on Sable Island, Nova Scotia, Canada South America Lavradeiros in