The least weasel ("Mustela nivalis"), little weasel, common weasel, or simply weasel in the UK and much of the world, is the smallest member of the genus "Mustela," family Mustelidae and order Carnivora. It is native to Eurasia, North America and North Africa, and has been introduced to New Zealand, Malta, Crete, Bermuda, Madeira Island, the Azores, the Canary Islands, São Tomé, the Falkland Islands, Argentina and Chile. It is classified as least concern by the IUCN, due to its wide distribution and large population throughout the Northern Hemisphere.