Some of the largest clusters this season were found in Santa Cruz County, with 1,406 monarchs at Lighthouse Field State Beach ...

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 ...

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 ...

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.

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 ...

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

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.

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

The number of monarch butterflies spending the winter in the western United States has dropped to its second-lowest mark in nearly three decades as pesticides, diminishing habitat and climate ...