In this episode of Talk Nerdy, Cara speaks with Dr. Ross MacPhee, Curator of the Department of Mammalogy in the Division of Vertebrate Zoology at the American Museum of Natural History. They talk about his newest book, “End of the Megafauna: The Fate of the World’s Hugest, Fiercest, and Strangest, Animals.” In it, Ross discusses new and exciting theories underlying the multiple extinction events of Earth’s largest prehistoric mammals.