A broadly distributed migratory butterfly travels varying distances, influenced by environmental conditions rather than following genetically coded instructions, according to a study. The ...

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.

Painted lady butterflies regularly migrate up to 9,000 miles from Europe to sub-Saharan Africa. However, they stop along the way to rest and replenish themselves. But in order to reach South ...