Climate change alters butterfly ranges

A new study reveals that climate change is causing a significant geographical redistribution of butterflies, with the ranges of most species expanding while others are shrinking, threatening their future survival. The study, which covered 1,758 species across 105 countries, found that 79% of the observed changes are linked to global warming and extreme weather events, accompanied by effects from land use changes, agriculture, and urban expansion. Additionally, rising temperatures are prompting some species to move northward or to higher elevations. About 80% of the species have expanded their ranges, while 27% have experienced a contraction. Multiple cases of range changes depend on specific locations, reflecting the complex ways in which these species interact with climate change.

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