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

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

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

home to the Pacific Grove Monarch Grove Sanctuary, said that while the local tally followed the overall state trend, it was surprising. Just 228 monarch butterflies were counted during the ...

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

The number of monarch butterflies spending winter in the western U.S. dropped dramatically this year, despite moves to extend ...

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

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.

FILE - A butterfly sits on a leaf at Monarch Grove Sanctuary in Pacific Grove, Calif., on Nov. 10, 2021. (AP Photo/Nic Coury, File) ...

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

The count of 9,119 butterflies this winter is a sharp decline from 200,000 reported in the past three years, but slightly up from 2,000 monarch reported in 2020.