Assertion: brown bear's population | /r/HasProperty | left at the end of the pleistocene
Facets:
value: behind
type: OTHER
Source sentences:
text: The history of the bears of the Alexander Archipelago is unusual in that these island populations carry polar bear DNA, presumably originating from a population of polar bears that was left behind at the end of the Pleistocene, but have since been connected with adjacent mainland populations through movement of males, to the point where their nuclear genomes are now more than 90% of brown bear ancestry.