There isn't. 'The Land Before Time' doesn't have a plot where Ducky dies. It's more about the growth and adventures of the characters, and Ducky is an integral part of their group, always there alive and kicking.
In the official story of 'The Land Before Time', Ducky doesn't die. She is one of the main characters and has many adventures with her friends throughout the series.
Well, one possible theme could be loss, considering the mention of 'death' in the title. It might be about the loss of a way of life in Ducky Land. Another theme could be change, as whatever led to the deaths might have changed Ducky Land significantly.
I'm sorry, I'm not familiar with a specific 'Ducky Land Before Time Death Story'. It could be a very unique or perhaps a made - up local story. There isn't enough information here to accurately tell the whole story.
In a Land Before Time dragon fanfiction, the dragon could be a protector of the Great Valley. It guards against unknown threats from outside. The dragon's presence would change the way the characters interact with their environment and each other. For example, the other dinosaurs might initially be afraid of it, but then learn to trust it.
The 'Land Before Time' is about a group of young dinosaurs. Littlefoot, the main character, goes on a journey to find the Great Valley. Along the way, he meets friends like Cera, Ducky, Petrie and Spike. They face many challenges such as avoiding predators and crossing dangerous terrains. Their friendship grows stronger as they help each other through these difficulties and eventually reach the safe haven of the Great Valley.
The 'Land Before Time Novel' is mainly about the adventures of young dinosaurs in a prehistoric land. It shows their struggles for survival, like finding food and water, and also their relationships with each other.
One idea could be to write a fanfiction about what happened to the characters after the events of the documentary. For example, you could explore how Littlefoot and his friends continue to grow and face new challenges in their prehistoric world.
I'm not sure specifically which story Saro tells in 'Land Before Time' as there could be various tales within that world. Maybe it's a story about the adventures of the dinosaur characters, or it could be a legend passed down among their kind about how the land came to be as it is.