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Originally published by Nation News
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June 9, 2026
7h ago

Why thousands of white butterflies are filling Kenya's skies

Why thousands of white butterflies are filling Kenya's skies

There has been an influx of white butterflies fluttering across the sky in large numbers...

✨ Key Highlights

Thousands of white butterflies, identified as likely white caper butterflies (Belenois aurota), are currently filling Kenyan skies in an unusually large annual migration.

  • The phenomenon is attributed to synchronized hatching driven by recent weather patterns in East Africa, causing mass movement in search of food and suitable conditions.
  • Professor Gideon Nyamasyo, an entomologist from the University of Nairobi, explains this as a survival strategy accelerated by drought influencing egg hatching and pupae diapause.
  • While the exact species requires examination, Professor George Ong’amo, also an entomologist at the University of Nairobi, confirms the large numbers and movement are consistent with a butterfly migration, possibly aided by northward winds in June.

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