CREATURES IN DISTRESS
A HAIRY SITUATION
A 2013 study in Greenland found that cortisol levels in polar bear
hair fl uctuated in tandem with changes to climate and ice cover.
WAR AND THE WHALES
Researchers believe that noise from bombs, planes and ships
in World War II caused remarkably high cortisol levels in whales.
POOCH PRESSURE
Dogs with extreme separation anxiety are
more likely to have skin disorders.
STRESSED-OUT SKIN
Researchers have linked stress levels in
house cats to skin disorders and dermatitis.
RESISTANT TO CHANGE
A 2016 study in New Zealand found that
rabbits’ stress levels increased after a facility
change or a caregiver switch.
WARMER-WATER
WORRIES
A 2018 report of
cortisol levels in
goldfi sh found
that they were
more stressed out
in warmer-water
temperatures.