Question: The little girl who voiced ducky in the land before time?
Disambiguated questions and answers: question: Who is the little girl who voiced Ducky in The Land Before Time I?
Who is the little girl who voiced Ducky in The Land Before Time II-IV?
Who is the little girl who voiced Ducky in The Land Before Time V-XIV?
answer: Judith Barsi
Judith Eva Barsi
Heather Hogan
Aria Noelle Curzon
Aria Curzon
Natural Questions answer: Judith Eva Barsi (from the Wikipedia article "Judith Barsi")