Megafauna, in mythology, refers to large mythical animals that appear in stories and legends, usually portrayed as being larger than real animals. They usually have a strong presence in the stories, sometimes as enemies and other times as protectors. Common examples of megafauna in mythology are dragons, giants, and unicorns. These creatures often possess magical abilities and can be benevolent or malevolent depending on the situation. Some stories feature the megafauna fighting and overcoming great challenges alongside heroes and other characters, making them an important part of the story.