With temperatures at or below zero across much of the country, and snow and single digits as far south as San Antonio, I thought it a good time to reprint this post, which first appeared in January 2019: How do whitetails survive intense cold and snow? Chris Whittier, a researcher and professor at Tufts University, explains it well in this article: …deer physically prepare for the winter by better insulating their bodies. In the fall, deer gradually trade their summer hair coat for a winter one, which consists of thicker, longer, and darker hairs called guard hairs, while also growing in a much thicker undercoat. This winter coat absorbs more sunlight and traps more body heat than the summer coat, and [...]