Story thread · 2 reports / 2 sources

Butterfly ranges shift worldwide amid climate change, with most species expanding their reach

phys.org · 3dShare

A global analysis of range-shift records for 1,758 butterfly species—10% of known butterfly species—found that 80% had expanded their range and that 79% of all recorded range shifts were linked to climate change and extreme weather events. The new study, published in Nature Ecology & Evolution, also reports range contractions for 27% of species, and 22% of species showed a change in elevation. Because many species exhibited multiple types of range shifts, the percentages for expansions, contractions and elevation changes are above 100%.

First report: 4 Out Of 5 Butterfly Species Moving Into New Territory As Earth Heats Up — studyfinds.com, 5d