Stoats are a type of short-tailed weasel, belonging to the Mustelidae family. They are found throughout Europe, Asia, and North America, and are known for their long, slender bodies and short tails. They are carnivorous, feeding on small mammals, birds, and insects. They are also known for their agility and speed, and can climb trees and swim. Stoats are also known for their thick fur, which helps them stay warm in cold climates.