Pottok the Losino, the Galician, the Landais, and the Monchino horses. Tests have revealed considerable genetic differences between populations in the Northern Basque Country and the Southern Basque Country, leading some to consider them separate breeds. Some claim the Pottok's origins derive from the horses on ancient cave paintings in the area and thus claim to descend from the Magdalenian horses of 14,000–7000 BC. Other link its origins to an influx of horses during the Bronze Age. However, neither of these theories has to date been scientifically verified. Genetic research by the University of the Basque Country's Genetics, Physical Anthropology and
Shetland animal breeds have been exported to North America, but are not yet recognised by the American Poultry Association. The Shetland duck is a small, hardy breed of domestic duck originating in the islands. It is similar to Pomeranian duck or Swedish Blue duck. It is black with a white bib. Shetland drakes have sky blue bills and Shetland duck females have slate blue bills. The average weight of the Shetland duck is 2 kg for males and 1,8 kg for females. It is critically endangered. Shetland animal breeds The Shetland Islands of Scotland have long had their own distinct animal breeds, due