Hypothermia
Additional Resources
Balancing hypoxia and hypothermia in cold-submerged frogsMany animals respond to hypoxic stress by selecting cooler environments, the so-called 'behavioural hypothermia' response.
http://jeb.biologists.org/
Outdoor Action Guide to Hypothermia and Cold Weather Injuries
Traveling in cold weather conditions can be life threatening. When going into cold conditions it is your responsibility to learn the latest information. By Princeton University.
http://www.princeton.edu/~oa/safety/hypocold.shtml