The number of monarch butterflies spending the winter in the western United States dropped dramatically this year even as ...

In 2023, more than 16,000 butterflies were counted at one local grove. The most recent count was a tiny fraction of that.

The number of brown hairstreak butterflies on a nature reserve is stable, a wildlife trust says.

Fewer-than-usual monarch butterflies migrated through San Luis Obispo County this winter, according to data from the conservation-focused nonprofit the Xerces Society. “It feels like a punch to ...

PISMO BEACH, Calif. – On Thursday, invertebrate conservation group the Xerxes Society released the results of their 28th annual Western Monarch Butterfly Count and recorded the second lowest ...

PISMO BEACH, Calif. - The western monarch butterfly is being considered for the endangered species list, but public comment is still being gathered on the subject. The natural habitats of the ...

Pismo State Beach this year – The Xerces Society for Invertebrate Conservation, an international nonprofit dedicated to ...

Last year, the charity Butterfly Conservation declared a national "butterfly emergency" after its annual count recorded its lowest ever numbers. Data from the UK Butterfly Monitoring Scheme showed ...