How species form: What the tangled history of polar bear and brown bear relations tells us - EurekAlert

“The formation and maintenance of species can be a messy process,” says bear genetics expert Charlotte Lindqvist at the University at Buffalo. “What’s happened with polar bears and brown bears is a neat analog to what we’re learning about human evolution: tha…

image: A mother polar bear and her 2-year-old cubs in northwestern Greenland.view more  Credit: Credit: Øystein Wiig BUFFALO, N.Y. — A new study is providing an enhanced look at the intertwined evo… [+6795 chars]

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