Academic journal article Science Scope

Bats and Wind Power

Academic journal article Science Scope

Bats and Wind Power

Article excerpt

With their amazing flying and hunting abilities, bats are major predators of insect pests. But surprising numbers of bats are being killed at wind energy sites. Biologist Erin Baerwald just couldn't believe that these adept, radar-equipped flyers were simply flying into the blades. Now her research has proven her right.

[ILLUSTRATION OMITTED]

Baerwald, a PhD student at the University of Calgary in Alberta, Canada, working in the lab of Robert Barclay, discovered an undetectable hazard by collecting freshly killed bats around wind turbines over periods of several weeks. She and her colleagues were surprised that most had no external injuries.

Bat autopsies revealed that more than 90% had lung hemorrhages consistent with "the bends." Baerwald also sent bat carcasses to veterinary pathologist Genevieve D'Amours. "She examined bat lungs under the microscope and she found the same things we had seen," says Baerwald. "The blood vessels in the lungs had actually burst and the lungs were filling full of fluid, filling full of blood. …

Search by... Author
Show... All Results Primary Sources Peer-reviewed

Oops!

An unknown error has occurred. Please click the button below to reload the page. If the problem persists, please try again in a little while.