Species cross-breed in nature in order to share traits that bolster them from certain environmental changes, and cross-breeding may become more common as the planet heats up and animals migrate to cooler areas. For instance, as grizzly bears have made their way north, Canada and Alaska have become home to “grolar bears,” The Guardian reported. […]
By Bridget B. Baker While the weather outside may indeed get frightful this winter, a parka, knit hat, wool socks, insulated boots and maybe a roaring fire make things bearable for people who live in cold climates. But what about all the wildlife out there? Won’t they be freezing? Anyone who’s walked their dog when […]
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