Quote Originally Posted by Falconer54 View Post
My friend and I had wondered if we could use IR for locating grouse in winter. I think they are so well insulated, that it really wouldn't work as well as my friend thinks. Figure only heat being released would be at head, and butthole, neither showing much!
Nothing is that well insulated. You will still see a temperature difference between the animal and the background temps, especially in cold conditions. Actually, in most cases something with very good insulation will stand out more because an animal with poor insulation will be bleeding off heat.