Copyright 2025 The Associated Press. All Rights Reserved. A butterfly sits on a leaf at Monarch Grove Sanctuary in Pacific ...

Just over 9,000 monarchs were counted in California last winter, the second lowest ever since the annual count began in 1997 ...

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

On Thursday, the Xerces Society released the results of its 28th annual Western Monarch Count, reporting the second lowest overwintering population ever recorded since tracking began in 1997. This ...

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.

Newly released data shows that the number of monarch butterflies migrating to California this winter is near-record low. "We ...

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

Overwintering populations of monarch butterflies in California have reached a near all-time low since records began, conservationists announced on Thursday. The ...

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

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

THAT ALSO HOLDS TRUE IN PACIFIC GROVE." THAT NUMBER IS A SHARP DECLINE COMPARED TO PREVIOUS YEARS. IN COMPARISON, THERE WERE 233 THOUSAND MONARCH BUTTERFLIES COUNTED ACROSS CALIFORNIA LAST YEAR.