Untangling the Devil's Corkscrew

The video explores the discovery and mystery of Devil's Corkscrews in Nebraska, initially thought to be plant remains. The mystery was solved when bones of an extinct beaver, Palaeo Caster, were found inside, revealing these structures as trace fossils of their spiral burrows. The video discusses the purpose of these burrows, including predator avoidance and climate adaptation, and concludes with the extinction of Palaeo Caster and the significance of trace fossils.

What are some possible reasons for the complex design of the burrows made by Palaeo Caster?

What climatic conditions did Palaeo Caster face during the Miocene, and how did it affect their burrowing behavior?

What ultimately led to the extinction of Palaeo Caster?