The Newfoundland dog is a large working dog. They can be either black, brown, or white-and-black. However, in the Dominion of Newfoundland, before it became part of the confederation of Canada, only black and Landseer coloured dogs were considered to be proper members of the breed. Boo noticed the struggling man as he and his owner were walking along the river. The Newfoundland instinctively dove into the river, took the drowning man by the arm, and brought him to safety. According to Janice Anderson, the Newfoundland’s breeder, Boo had received no formal training in water rescue.Further evidence of Newfoundlands' ability to rescue or support life-saving activities was cited in a 2007 article by the BBC. Bouncer: Presented by the children of Newfoundland, with a dog-cart, as a gift to the Duke & Duchess of Cornwall and York (later George V and  Queen Mary), during their visit to the colony in 1901.