How did old dan die?

Answer 1

He was fighting a mountian lion and his guts came out .................

Sadly little ann died a few days later

Answer 2

Old Dan in the book "Where the Red Fern Grows" dies while protecting Billy during a violent encounter with a mountain lion. Despite his injuries, Old Dan continued to fight until the mountain lion was defeated, showing his loyalty and bravery until the end. His death is a poignant and emotional moment in the story.