Noise pollution puts songbirds in danger,

making them more vulnerable to predators. Joanna Lawrence, Natural Science News, reports that researchers have found that “noise pollution prevents songbirds from hearing and responding to alarm calls.”  The researchers discovered that anthropogenic noise, “a form of noise pollution caused by human activities,” makes it difficult for the songbirds to hear alarms, leaving them “vulnerable to predation” (i.e., being eaten by other animals).   The research showed that the birds’ failure to hear and respond to alarms caused them “to continue feeding in dangerous situations.”  More research is needed, adds Lawrence, to “fully understand the ecological impacts of anthropogenic noise.”

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