The results revealed that as the summer ends, millions of painted lady butterflies migrate south, mostly flying at an altitude of more than 1,600 feet (500 m) ​ — therefore hardly ever seen by humans.
Hasil penelitian itu menunjukkan bahwa tiap akhir musim panas, jutaan kupu - kupu ­ painted lady bermigrasi ke arah selatan. Biasanya mereka terbang pada ketinggian lebih dari 500 meter sehingga mereka jarang terlihat.