A comprehensive global study published in the journal Science has delivered a sobering revelation about human impact on the animal kingdom. Researchers analyzing 177 distinct species discovered that anthropic noise pollution—ranging from heavy highway traffic to industrial humming—directly alters the biological functions or daily behaviors of 80% of those creatures. The data indicates that in noisy zones, wildlife population density drops by an average of 37%, while predators are forced to expend 2.5 times more effort hunting to catch a quarter less prey due to heightened vigilance in target animals.
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