Tag: stress

June 14, 2022

Q&A: Getting a grip on wildlife stress

For wildlife, as well as for humans, stress can be helpful. A rush of adrenalin can help an animal avoid becoming prey. But over long periods of time, stress can...

August 11, 2020

JWM: Partially sedating deer doesn’t reduce stress

Biologists may use mild tranquilizers as a technique to calm large animals when they capture and handle them, but in a recent study, researchers found that for mule deer, partial...

May 29, 2020

Warmer climate stresses polar bears

Polar bears that have been tracked for decades in Western Hudson Bay have increased stress levels in years with the warming climate, a new study shows. This research adds to...

June 4, 2019

Stressed tadpoles develop lower fitness as adults

For frogs, a stressful early life as a tadpole can lead to long-term fitness consequences in adulthood. “Even though you have this huge change in body morphology through metamorphosis, that...

January 25, 2018

Stress from oil and gas noise causes birds to ‘dial down’

The constant noise at oil and gas sites creates ongoing stress for birds, prompting them to “dial down” their stress response to deal with the incessant sound, researchers in New...

July 3, 2017

JWM study: Logging may cause caribou stress

More than natural events like wildfire, or manmade features like roads and transmission lines, effects of logging operations on their habitat seem to be the biggest indicator of long-term stress...

May 17, 2017

What’s going on inside may explain what’s happening outside

Wildlife biologists often look outward at habitat and ecology to understand impacts on the species they study. A growing number of biologists are looking inward, though, to try to understand...

September 6, 2016

More stress for birds means higher chances of West Nile virus

Birds that have more of the stress hormone corticosterone are more likely to be bitten by mosquitoes that can carry West Nile virus, according to a new study. “This particular...

August 5, 2016

Migratory birds’ chromosomes reveal stress

Researchers recently discovered some differences between the DNA of migratory and resident birds that can provide insight into the stresses that migratory birds face from their journey. As part of...