During their "hibernation," bears do not eat or drink as often, and they will rarely (if at all) defecate or urinate, according to the Alaska Department of Fish and Game. Since polar bears do not ...

But where do polar bears live ... can provide eight days worth of energy for a polar bear. When food is plentiful, adult polar bears only eat the fat and leave the rest for scavengers like ...

For example, the structure of Gentoo penguin feathers repels ice, all without the fatty grease that polar bears use. This grease also helps explain more about the hunting strategies of polar bears ...