We can learn a lot about the animals of the past by studying the fossils we find in the ground but there’s something else that pre-historic creatures leave behind too - their burrows.
To discuss what we can learn from these ‘paleoburrows’, Jonathan was joined by Renata Netto, professor at the Geology Graduate Program, Unisinos University in Brazil.
Listen and subscribe to Futureproof with Jonathan McCrea on Apple Podcasts and Spotify.
Download, listen and subscribe on the Newstalk App.
You can also listen to Newstalk live on newstalk.com or on Alexa, by adding the Newstalk skill and asking: 'Alexa, play Newstalk'.