Hibernation and Brumation are not the only ways animals prepare for winter. Some animals grow a winter coat that insulates them from the cold, similar to the way we put on a warm outer covering when temperatures fall.

This deer and I saw each other on a recent walk. Her coat has grown thicker and darker.

Last spring, this doe was molting. The process lasts only a few weeks and usually begins at the top and moves downward.

During warm months, the deer I spy on my walks have lost their heavy fur pelages and have replaced them with new reddish coats.

Some winter coats even change color. Watch full screen here.