05-21-2022
Light pollution disorients monarch butterfliesA new study led by the University of Cincinnati has found that nighttime light pollution can interfere with the extraordinary navigational abilities of monarch butterflies, which often travel from Canada to Mexico during multigenerational migrations. Since artificial nightlights interfere with butterflies’ circadian rhythms, the animals often become disoriented and fly when they should be resting. Scientists have long known that light pollution can significantly disrupt normal circadian rhythms and sleep-wake cycles of both wildlife and humans. For instance, previous studies have shown that city lights interfere with...
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