International Polar Bear Day: 13 Things You May Not Know about Polar Bears from Wildlife Promise
Click here to find out what you may not know!
Excerpt:
Brown and polar bears can interbreed and produce fertile young, which by some definitions suggests they are the same species. However, they are adapted to different habitats and behaviors and, under the climate conditions that have prevailed since the last ice age, cannot survive very long in each other’s habitat, a factor that keeps them isolated and continuing to evolve away from one another.
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