The Newfoundland is a large working dog originally bred as a fisherman's helper in Newfoundland, Canada. Known for its gentle temperament, webbed feet, and waterproof coat, it excels in water rescues. This breed is strong, loyal, and known for its exceptional swimming ability.

The Newfoundland dog, also known simply as the Newfoundland, is a breed of working dog that originated on the island of Newfoundland, which is part of the Canadian province of Newfoundland and Labrador.

Newfoundlands are adapted to cold climates, reflecting their origins in the maritime environment of Newfoundland. The region is characterized by a subarctic climate, with cold, snowy winters and cool, humid summers. The coastal environment where these dogs were historically used for water rescue and fishing-related tasks includes rocky shores and cold ocean waters.

The Newfoundland dog was bred to assist fishermen, and its ecological niche revolves around water-related activities. They are well-suited to work in cold water, thanks to their thick, water-resistant double coat and webbed feet. This breed excels in roles that require strength and endurance, such as hauling nets, retrieving items from water, and performing water rescues.