Of the 59 native species monitored, 33 have declined, 25 have improved and one mountain species has too little data to assess ...

Butterflies of all kinds of species, in all parts of the country, have declined by one to two percent per year since 2000. Butterfly numbers have fallen by nearly a quarter since 2000 In the United ...

PACIFIC GROVE — Monarch butterfly numbers are down this year entering prime counting season, but experts aren’t panicking yet. “Butterfly populations are bouncy,” said Isis Howard, an endangered ...

The species disappeared from there in 2008, but a group started a habitat restoration project.