These Animals Don't Care That It's Freezing Outside

Animals are very successful in adapting to the conditions of their living environment. The reason why animals can adapt to ambient conditions where the weather is too cold or too hot is that they can regulate their body temperature.

Grizzly Bear: Grizzly bears hibernate during the winter months, but they don't miss out on all the snow. Grizzlies can be quite active as they forage and prepare for winter. They can sense when it's time to enter their winter den based on the cold temperatures or snow conditions.