Near-record low monarch butterfly count at Pismo Beach ...

Once, millions of monarchs wintered in California. But climate change, habitat loss, widespread pesticide use and disease ...

This winter, volunteers from the Xerces Society, a nonprofit environmental group, tallied just 9,119 western monarchs — a ...

Pismo Beach Monarch Butterfly Grove in San Luis Obispo County had the fourth largest count with 556 monarchs observed in late November, and the Bay Area’s Skywest Golf Course took fifth with 477 ...

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

On Thursday, invertebrate conservation group the Xerxes Society released the results of their 28th annual Western Monarch ...

The Ellwood Mesa Butterfly Grove used to be California's largest wintering site for monarch butterflies, but in 2024, only 30 butterflies were counted.

Scientists are grappling with a stark population decline of the western monarch butterfly after the species’ numbers hit a ...

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

The proposal includes designating 4,395 acres of critical habitat for the western migratory population in seven California counties — including the Pismo State Beach Monarch Butterfly Grove.

A winter count of visiting monarch butterflies found a steep drop from previous years, which has scientists worried about the ...