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 ...

Not so happy: King penguins stressed by human presence

King penguins tolerate some, but not all, human interference. Research published in BioMed Central's open access journal, BMC Ecology, investigates the adjustment of a king penguin colony on the protected Possession island ...

Oil sands study shows negative impact on lake systems

(Phys.org)—Fifty years of Athabasca oil sands development has left a legacy of contaminants in lake ecosystems and that contamination reaches further from the development areas than previously recognized, according to new ...

Honey bees experience multiple health stressors out in the field

It's not a single pesticide or virus stressing honey bees, and affecting their health, but exposure to a complex web of multiple interacting stressors encountered while at work pollinating crops, new research from York University ...

Researchers provide new insights on coral bleaching

Reef-building corals have a symbiotic relationship with Symbiodinium algae, and environmental stressors that cause algae to be expelled from reefs can give rise to the phenomenon known as coral bleaching.

page 3 from 9