Polar bears and brown bears continued to mate with each other long after the species separated - Daily Mail

Polar bears and brown bears were still mating with each other long after they had split into two distinct species, a new study has found led by scientists from University at Buffalo.

Polar bears and brown bears were still mating with each other long after they had split into two distinct species, a new study has found.  The two species are known to have separated between 1.3 and… [+8157 chars]

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