The Polar Bear's fur is extremely thick and it traps the heat so well, you can't see one in inferred vision. This is good because the retention of heat keeps it permanently warm. It does not lose body heat as other animals and people do, and it would not be recognised by an inferred scanner, such as used when searching earthquakes and other devastated sites for survivors. The Polar bear would not be detected so this shows how well the bears fur keeps its body warm, especially in icy cold freezing temperatures.
Polar bears can go weeks between meals. …
