Decoding a butterfly's travel map: Scientists find globetrotting not in genes

PHYSorg
Feb 4, 2025, 9:19 am161 pts
Painted lady butterflies are world travelers. The ones we encounter in Europe fly from Africa to Sweden, ultimately returning to areas north and south of the Sahara. But what determines whether some butterflies travel long distances while others travel short distances? A group of scientists, including from the…

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