Twilight of the Mammoths: Ice Age Extinctions and the Rewilding of America Imagine a world without the existence of animals. The obscure disappearance of all animal life would leave this indigent world eerily empty and silent. In Twilight of the Mammoths, paleontologist Paul Martin’s fundamental presumption is that the presences of megafauna during the “near time” of the late quaternary era are now extinct. An argument is set that the rapid expansion of humans have caused large herbivores and