The stoat Mustela erminea also known as the Eurasian ermine has a very dense and silky white winter fur It moults twice a year slowly changing during spring to a sandy-brown summer fur

with a white underbelly. Its fur is prized by furriers and has been used for centuries in clothing, especially for royalty and nobility. The stoat's fur changes color to match its surroundings, making it an effective predator. In the winter, the stoat's white fur provides camouflage in the snow, while in the summer, its brown fur helps it blend in with the ground and vegetation. The stoat is a small carnivorous mammal and is known for its agility and speed. It can run up to 20 miles per hour and can climb trees and swim. The stoat is found throughout Europe, Asia, and North America and is known for its ability to adapt to a variety of habitats, from forests to grasslands to tundra.