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butterfly numbers

Coverage of butterfly numbers in the Nexus archive.

Earliest in view: Apr 14 · 23:14 UTCMost recent: Apr 14 · 23:14 UTC

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Recent coverage

SCIENCEApr 14 · 23:14 UTCBBC SCIENCE
Butterfly numbers are dropping but here are five species you may see more of
Butterfly numbers are declining due to a warming climate, which has allowed some species to flourish. However, the overall outlook remains troubling as many species face challenges.