provides funding as a founding partner of The Conversation AU., , , and provide funding as members of The Conversation AU.When people first arrived in what is now Queensland, they would have found the land inhabited by massive animals including goannas six metres long and kangaroos twice as tall as a human.We have studied fossil bones of these animals for the past decade. Our findings, , shed new light on the mystery of what drove these ancient megafauna to extinction.Read more:The first bones were found by the Barada Barna people during cultural heritage surveys on their traditional lands...…provides funding as a founding partner of The Conversation AU., , , and provide funding as members of The Conversation AU.When people first arrived in what is now Queensland, they would have found the land inhabited by massive animals including goannas six metres long and kangaroos twice as tall as a human.We have studied fossil bones of these animals for the past decade. Our findings, , shed new light on the mystery of what drove these ancient megafauna to extinction.Read more:The first bones were found by the Barada Barna people during cultural heritage surveys on their traditional lands...WW…