The smallest working dog is Lucy, a female micro yorkshire terrier, who measured 14.5 cm (5.7 in) tall on 28 November 2011, and is owned by Sally Leone Montufar of Absecon, New Jersey, USA.

Who: Sally Leone Montufar
What: Smallest working dog
Where: United States
When:
The smallest working dog is Lucy, a female micro yorkshire terrier, who measured 14.5 cm (5.7 in) tall on 28 November 2011, and is owned by Sally Leone Montufar of Absecon, New Jersey, USA.