Ice Age Mammals Of North America

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10 Extinct Giants That Once Roamed North America Ancient horses lived in North America from about 50 million to 11,000 years ago, when they went extinct at the end of the last ice age, said Ross MacPhee, a curator of mammalogy at the American ... Quaternary extinction event - Wikipedia The Quaternary period (from 2.588 0.005 million years ago to the present) saw the extinctions of numerous predominantly megafaunal species, which resulted in a collapse in faunal density and diversity and the extinction of key ecological strata across the globe. The most prominent event in the Late Pleistocene is differentiated from previous Quaternary pulse extinctions by the widespread ... Ice Age Mammals of North America: Ian Lange, illustrator ... Ice Age Mammals of North America transports you to the world of saber-tooth cats, woolly mammoths, four-hundred-pound beavers, and twenty-foot-tall ground sloths. Illustrated descriptions of the animals form the heart of the book and the final chapter explores why so many of these animals were extinct by the end of Pleistocene time.