Photos: Scientists trace a butterfly migration route that is millions of years old. By Natalie Escobar (NPR) April 16, 2025 3:08 p.m.

Photos: Follow painted lady butterflies' annual migration : ... Photos: Scientists trace a butterfly migration route that is millions of years old. April 16, 2025 5:00 AM ET.

Scientists have recently mapped the painted lady butterfly's annual flight from equatorial Africa to northern Europe and back, the world's longest butterfly migration. In Constant Bloom ...

Photos: Scientists trace a butterfly migration route that is millions of years old By Natalie Escobar Published April 16, 2025 at 5:00 AM EDT ...

NPR Photos: Scientists trace a butterfly migration route that is millions of years old. Scientists have recently mapped the painted lady butterfly's annual flight from equatorial Africa to ...

Every year, for millions of years, a huge number of painted lady butterflies have migrated thousands of miles across Europe, the Middle East and Africa. Though they've been a common sight throughout ...

Scientists have recently mapped the painted lady butterfly's annual flight from equatorial Africa to northern Europe and back, the world's longest butterfly migration. In Constant Bloom ...