The extinction of megafauna in the Americas may not be as simple as overhunting by early humans. Paleo-Indian diets were diverse—full of seafood, plants, and smaller animals—raising doubts about the “blitzkrieg” theory. Some species survived while others vanished, possibly due to complex factors like ecosystem shifts, predator loss, or impact zones. See more from Randall: https://www.youtube.com/@TheRandallCarlson | Cosmic Summit

Huge 200kg birds used to thrive here, so what killed them? Megafauna: What Killed Australia's Giants? – Stream from Tuesday 8pm on ABC iview and ABC TV: https://ab.co/Megafauna | ABC Science

“It would be a crime for science… not to listen to those people.” Megafauna: What Killed Australia's Giants? – Stream now on ABC iview: https://ab.co/Megafauna | ABC Science