query: What was the brontosaurs' name in The Land Before Time?
passage: List of The Land Before Time characters
Littlefoot has been referred to by several species names throughout the series. In the first film he is called a Brontosaurus on the home video packaging and by numerous media outlets.[5][6][7] He was also called a Brachiosaurus on the later-released VHS clamshell case and Rotten Tomatoes UK.[8] He is now listed as an Apatosaurus the official website[9] and in modern incarnations of the series.[1]
passage: List of The Land Before Time characters
Ducky, voiced by Judith Barsi (I), Heather Hogan (II-IV) and Aria Noelle Curzon (V-XIV), is a green female Saurolophus,[20] known colloquially as a "Big Mouth", "Duck Bill", or "Swimmer". She was one of the young dinosaurs who accompanied Littlefoot to the Great Valley when she was separated from her family. After arriving in her new home, her mother adopted the orphaned Spike, who became her foster younger brother. She has numerous biological siblings, with many being born in the original film and Journey of the Brave. Characterized as having an energetic, cheerful and childlike personality, she speaks enthusiastically often replies to things in triplicate ("Yep, yep, yep!" or "Nope, nope, nope!").