02 Apr '17, 1pm

via @audubonsociety

According to the 2016 State of Birds report published by the North American Bird Conservation Initiative, a coalition that includes the National Audubon Society, temperate grassland and aerial-insectivorous birds on this continent have declined 33 percent since the 1970s—the most rapid drop of any bird group. Using pesticide-impact studies and breeding-bird surveys conducted between 1980 and 2003, Mineau determined that an increase in all types of pesticides was, by far, the most plausible explanation for this decline. Nicole Michel, a quantitative ecologist with the National Audubon Society, found that populations of 17 bird species whose diets include aquatic insects declined an average of 1.3 percent a year over 21 years, due to a variety of factors. That may not sound like much, but Michel points out that it translates, over another 50 years, to a 48 percent drop. “We ...

Full article: http://www.audubon.org/magazine/spring-2017/the-same-pest...

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