A New Record Of Giant Short Faced Bear Arctodus Simus From Western North America With A Re Evaluation Of Its Paleobiology PDF Download

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Chasing the Ghost Bear

Chasing the Ghost Bear
Author: Mike Stark
Publisher: U of Nebraska Press
Total Pages: 254
Release: 2022-04
Genre: Nature
ISBN: 1496231953

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No animal shakes the human consciousness quite like a bear, and few compare to the giant short-faced bears that stalked North America during the Pleistocene. Even among the mammoths and saber-toothed cats, they were a staggering sight: on all fours, the biggest would stare a six-foot person in the face and weigh close to a ton. On hind legs they towered more than ten feet, with jaws powerful enough to crush skulls and snap bones like twigs. The bears weren’t invincible, however. Despite their size, they were swept off the planet in a mysterious wave of Ice Age extinctions more than ten thousand years ago, then mostly forgotten. Chasing the Ghost Bear is Mike Stark’s journey into the bear’s enigmatic story—its life, disappearance, and rediscovery—and those trying to piece it together today. An engaging guide through his intrepid search, Stark’s story leads us from the La Brea Tar Pits in Los Angeles to a cornfield in Indiana, the far ends of the Arctic, the plains of Texas, and the swamps of Florida. Part natural history, part travelogue, and part meditation on extinction and loss, Chasing the Ghost Bear returns these magnificent beasts to their rightful place in our understanding of the world just an epoch past.


Vertebrate Paleontology in New Mexico

Vertebrate Paleontology in New Mexico
Author: Spencer G. Lucas
Publisher: New Mexico Museum of Natural History and Science
Total Pages: 447
Release:
Genre:
ISBN:

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The Great Basin

The Great Basin
Author: Donald Grayson
Publisher: Univ of California Press
Total Pages: 433
Release: 2011-04-18
Genre: Nature
ISBN: 0520948718

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Covering a large swath of the American West, the Great Basin, centered in Nevada and including parts of California, Utah, and Oregon, is named for the unusual fact that none of its rivers or streams flow into the sea. This fascinating illustrated journey through deep time is the definitive environmental and human history of this beautiful and little traveled region, home to Death Valley, the Great Salt Lake, Lake Tahoe, and the Bonneville Salt Flats. Donald K. Grayson synthesizes what we now know about the past 25,000 years in the Great Basin—its climate, lakes, glaciers, plants, animals, and peoples—based on information gleaned from the region’s exquisite natural archives in such repositories as lake cores, packrat middens, tree rings, and archaeological sites. A perfect guide for students, scholars, travelers, and general readers alike, the book weaves together history, archaeology, botany, geology, biogeography, and other disciplines into one compelling panorama across a truly unique American landscape.


Causes of Evolution

Causes of Evolution
Author: Robert M. Ross
Publisher: University of Chicago Press
Total Pages: 496
Release: 1990-12-18
Genre: Science
ISBN: 0226728242

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By studying evolution across geological time, paleontologists gain a perspective that sometimes complements and sometimes conflicts with views based solely on studies of extant species. The contributors to Causes of Evolution consider whether factors exerting major influences on evolution are biotic or abiotic, intrinsic or extrinsic. Causes of Evolution presents a broad sampling of paleontological research programs encompassing vertebrates, invertebrates, and vascular plants; empirical work and theoretical models; organisms ranging in age from Cambrian to Recent; and temporal scales from ecological time to hundreds of millions of years. The diverse array of research styles and opinions presented will acquaint scientists in related fields with the strengths and weaknesses of paleontology as an approach to evolutionary studies and will give evolutionary biologists of every stripe new bases for evaluating the scope and bias of their own work.


Giant Short-Faced Bear (Arctodus Simus Yukonensis) Remains from Fulton County, Northern Indiana: Fieldiana, Geology, New Series

Giant Short-Faced Bear (Arctodus Simus Yukonensis) Remains from Fulton County, Northern Indiana: Fieldiana, Geology, New Series
Author: Ellis J. Contributor Neiburger
Publisher: Franklin Classics Trade Press
Total Pages: 50
Release: 2018-11-10
Genre: History
ISBN: 9780353260146

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