Pleistocene brown bears in the mid-continent of North America

Matheus, Paul, Burns, James, Weinstock, Jaco and Hofreiter, Michael (2004) Pleistocene brown bears in the mid-continent of North America. Science, 306, (5699), 1150-1150. (doi:10.1126/science.1101495).


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Current biogeographic models hypothesize that brown bears migrated from Asia to the New World ~100 to 50 thousand years ago but did not reach areas south of Beringia until ~13 to 12 thousand years ago, after the opening of a mid-continental ice-free corridor. We report a 26-thousand-year-old brown bear fossil from central Alberta, well south of Beringia.

Mitochondrial DNA recovered from the specimen shows that it belongs to the same clade of bears inhabiting southern Canada and the northern United States today and that modern brown bears in this region are probably descended from populations that persisted south of the southern glacial margin during the Last Glacial Maximum.

Item Type: Article
Digital Object Identifier (DOI): doi:10.1126/science.1101495
Additional Information: Brevia
ISSNs: 0036-8075 (print)
Related URLs:
Subjects: Q Science > QH Natural history
Divisions : University Structure - Pre August 2011 > School of Humanities > Archaeology
ePrint ID: 28798
Accepted Date and Publication Date:
Date Deposited: 08 May 2006
Last Modified: 31 Mar 2016 11:54

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