what kind of dog is toto from wizard of oz

Toto is portrayed as a Cairn Terrier in The Wizard of Oz. In the film, the canine actor was a Cairn Terrier named Terry, who played Dorothy’s small black dog throughout the story. This has led to enduring public discussion about Toto’s exact breed, but authoritative sources about the film’s production confirm the Cairn Terrier identification for the character.