In 2017, a team of scientists warned that the hoary bat, a migratory species, could go extinct if the expansion of wind farms continues.
“Unprecedented numbers of migratory bats are found dead beneath industrial-scale wind turbines during late summer and autumn in both North America and Europe,” writes Paul Cryan, a research biologist with the US Geological Survey.
Come on, you might be thinking. Surely there are greater threats to migratory bats than wind turbines?
There aren’t. “Wind energy facilities kill a significant number of bats far exceeding any documented natural or human-caused sources of mortality in the affected species,” writes Cryan.
Cryan is emphatic on this point. “There are no other well-documented threats to populations of migratory tree bats that cause mortality of similar magnitude to that observed at wind turbines.”
Another leading bat expert, Patricia Brown, agrees. More than a decade ago she warned California energy regulators that wind turbines could be the “nail in the coffin” for some migratory bat species.
Aren’t bats protected from wind turbines by government agencies enforcing the Endangered Species Act and other conservation laws? They're not.
“None of the migratory bats known to be most affected by wind turbines are protected by conservation laws,” writes Cryan, “nor is there a legal mandate driving research into the problem or implementation of potential solutions.”
Wind turbines have also emerged as one of the greatest human threats to many species of large, threatened and high-conservation value birds, after habitat loss from agriculture.
Wind energy threatens golden eagles, bald eagles, burrowing owls, red-tailed hawks, Swainson’s hawks, American kestrels, white-tailed kites, peregrine falcons, and prairie falcons, among many others.
The expansion of wind turbines could result in the extinction of the golden eagle in the western United States, where its population is at an unsustainably low level.
Saturday, November 16, 2019
Why Wind Turbines Threaten Endangered Species With Extinction
I wanted to push on this point of what wind turbines are doing to birds. And I just can't get over the SILENCE as the response to all of this.
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