what kind of dog was toto in the wizard of oz

Toto, the dog in the 1939 film "The Wizard of Oz," was portrayed by a female Cairn Terrier named Terry. Cairn Terriers are small, energetic, and feisty dogs originally from the Scottish Highlands. The breed is known for its determination and distinctive scruffy appearance. Terry, as Toto, became an iconic character and was even officially renamed Toto after the film's success.