The stress hormones are used by your body to respond to short-term stressors while the stress hormone provides a more sustained release of energy for prolonged stress.

The stress hormones epinephrine and norepinephrine are used by your body to respond to short-term stressors while the stress hormone cortisol provides a more sustained release of energy for prolonged stress.
Epinephrine and norepinephrine are produced by the adrenal medulla during the flight/fight stress response and increase blood pressure, heart rate, and glucose. 
The cortisol is steroid hormon with several funstions, one of them is to help the body manage stress

Used to water and cool climates, probably not thick coated or fluffy. they most likely have thin coats and have to survive to find food. sorry if this wasn't the answer you were looking for..: )