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Neonics May Be Killing Birds in Addition to Bees, Groundbreaking Study Finds
By Julia Conley
In addition to devastating effects on bee populations and the pollination needed to feed humans and other species, widely-used pesticides chemically related to nicotine may be deadly to birds and linked to some species' declines, according to a new study.
Researchers at the University of Saskatchewan studied the pesticide imidacloprid, in the nicotine-linked class of chemicals called neonicotinoids, or neonics, and found that the pesticide had effects on migrating birds' health and ability to reproduce.
We've heard a lot about neonics & bees—but they're hurting birds too.
— EHN (@EnvirHealthNews) September 12, 2019
A first-of-its-kind study on wild birds shows the pesticides make them lose weight and delays migration.https://t.co/LDep60W0ay
The scientists gave small amounts of the pesticide to white-crowned sparrows and found that the limited consumption caused the birds to lose weight and delay their migration.
Within hours of being given the neonics, the birds stopped eating and lost an average of six percent of their body weight and about 17 percent of their fat stores, making it impossible for them to complete their long flights south. The birds took at least an extra 3.5 days to recover and migrate.
"It's just a few days, but we know that just a few days can have significant consequences for survival and reproduction," Margaret Eng, an ecotoxicologist who led the study told Science magazine, where the research was published Friday.
The disruption of the species' normal migration led to decreased ability to reproduce and survive, the researchers found.
The study "causatively links a pesticide to something that is really, tangibly negative to birds that is causing their population declines," study author Christy Morrissey told the Associated Press. "It's clear evidence these chemicals can affect populations."
More than 70 percent of North American farmland bird species are currently experiencing population declines.
The research shows for the first time "behavioral effects in free-living birds as result of neonicotinoid intoxication," Caspar Hallmann, an ecologist at Radboud University in the Netherlands, told National Geographic after reviewing Eng's study.
Scientists in Europe revealed in 2017 that neonicotinoids can decimate honey bee populations, threatening food sources for humans and other species.
The European Union banned the use of neonics in 2018 due to their effects on pollinators.
The EPA announced in May it would cancel the registrations of 12 neonicotinoid pesticides, but in July, the Trump administration removed restrictions on sulfoxaflor, a neonic that's been found to kill bees in low doses.
"Agricultural pesticides, especially bee-killing neonics, have no place on our national wildlife refuges," senior Center for Biological Diversity attorney Hannah Connor said. https://t.co/3MsMEC46BW
— Center for Bio Div (@CenterForBioDiv) August 9, 2018
Reposted with permission from our media associate Common Dreams.
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Greenland’s Ice Sheet Is Melting at Rate That Surpasses Scientists' Expectations, Study Shows
The rate that Greenland's ice sheet is melting surpassed scientists' expectations and has raised concerns that their worst-case scenario predictions are coming true, Business Insider reported.
By Pedro Biondi
Extinct in its habitat for at least three decades, the Alagoas curassow (Pauxi mitu) is now back in the jungle and facing a test of survival, thanks to the joint efforts of more than a dozen institutions to pull this pheasant-like bird back from the brink.
By Julia Conley
Sen. Elizabeth Warren expanded her vision for combating the climate crisis on Tuesday with the release of her Blue New Deal — a new component of the Green New Deal focusing on protecting and restoring the world's oceans after decades of pollution and industry-caused warming.
A judge in New York's Supreme Court sided with Exxon in a case that accused the fossil fuel giant of lying to investors about the true cost of the climate crisis. The judge did not absolve Exxon from its contribution to the climate crisis, but insisted that New York State failed to prove that the company intentionally defrauded investors, as NPR reported.
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By Sharon Elber
You may have heard that giving a pet for Christmas is just a bad idea. Although many people believe this myth, according to the ASPCA, 86 percent of adopted pets given as gifts stay in their new homes. These success rates are actually slightly higher than average adoption/rehoming rates. So, if done well, giving an adopted pet as a Christmas gift can work out.