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Study Finds Pesticides Leading Cause of Grassland Bird Decline

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Horned-Lark-and-chicks_Middleton-EvansTN.jpgA new study led by a preeminent Canadian toxicologist identifies acutely toxic pesticides as the most likely leading cause of the widespread decline in grassland bird numbers in the United States, a finding that challenges the widely-held assumption that loss of habitat is the primary cause of those population declines.


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