A tool to measure stress hormone in birds -- feathers

When faced with environmental threats like bad weather, predators or oil spills, wild birds secrete a hormone called corticosterone. Traditionally, researchers have analyzed blood samples to detect corticosterone levels in ...

Increased population is leading to sick turtles

(PhysOrg.com) -- University of Queensland researchers have discovered that one of the effects of inceased human population is stress being placed on the environment leading to sick turtles.

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