There are many possible main characters in 'animal family stories'. For some, it could be a family of penguins where the male and female penguins take turns incubating the eggs and raising the chicks. In other stories, it could be a family of rabbits with the mother rabbit leading the young ones to find safe places to hide from predators. And in stories about elephants, the matriarch, along with other female elephants and their calves, can be the main focus as they travel together in a herd and protect each other.
It depends on the specific story. It could be a mother bear and her cubs, a family of wolves, or a group of monkeys.
There are often squirrels as main characters. They are very active and curious, always running around the trees and exploring. Also, rabbits are common, with their cute appearance and sometimes a bit timid nature.
There are many main animal characters. Dogs are quite common. They are often portrayed as loving and protective. Cats also make appearances, usually as curious and independent creatures.
The main characters could be the various animals. It might be the lions as the strong and majestic ones. They could be leading the other animals in some sort of adventure or just ruling over their part of the animal kingdom in the stories.
Often, common animals like the fox, the rabbit, and the owl are main characters. They play important roles in the stories.
Polar bears are often main characters. They are large and powerful, ruling the Arctic ice. Their hunting for seals and interactions with their cubs are common in these stories.
Squirrels are also main characters. They are busy collecting nuts and building their nests, and they are very cute in the stories.
The little rabbits are main characters. They are cute and full of curiosity, often getting into various situations in the forest.
Another important main character is the owl. The owl is often depicted as a wise creature. In the stories, it gives advice to other animals or uses its wisdom to solve some problems that occur in the forest.
In 'The Lion King', the main characters are Simba, Mufasa (Simba's father), Scar (Simba's uncle), Nala (Simba's friend and later mate), Timon and Pumbaa (Simba's friends).
As I haven't read it, I'm not sure. But it could be common small animals like mice, birds, and squirrels.