A Widespread Pesticide Causes Weight Loss and Delayed Migration in Songbirds

With winter approaching, White-crowned Sparrows are migrating south from North America’s boreal forest to central and southern United States and Mexico, sometimes flying hundreds of miles in one night. The weeks-long trek is already a major endeavor for the one-ounce songbirds, and pesticides may be making the journey even more perilous, a new study shows. […]

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Plummeting insect numbers ‘threaten collapse of nature’

The world’s insects are hurtling down the path to extinction, threatening a “catastrophic collapse of nature’s ecosystems”, according to the first global scientific review. More than 40% of insect species are declining and a third are endangered, the analysis found. The rate of extinction is eight times faster than that of mammals, birds and reptiles. […]

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Neonicotinoids May Harm Migratory Songbirds Too

A first-of-its-kind study shows a link between insecticide exposure and a decline in migratory songbirds.  The new study, published in “Scientific Reports,” examines the possible effects of neonicotinoids on birds like sparrows. Neonicotinoids are highly controversial because, while insecticide manufacturers claim they are safe, mounting evidence suggests that neonicotinoids harm many bee species and may […]

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