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 ...

Copyright 2025 The Associated Press. All Rights Reserved. A butterfly sits on a leaf at Monarch Grove Sanctuary in Pacific Grove, Calif., on Nov. 10, 2021. (AP Photo ...

The number of monarch butterflies spending the winter in the western United States dropped dramatically this year even as federal officials move to extend protections for the beloved pollinator ...

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 ...

SAN FRANCISCO (KRON) — Overwintering populations of monarch butterflies in California have reached a near all-time low since records began, conservationists announced on Thursday. The Western ...

Fewer monarch butterflies have spent winter in the western U.S. as factors like pesticides, a disappearing habitat, and climate change have affected the population. The population is now at a 30-year ...

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 ...

Visitors to Pismo State Beach and other California state beaches can expect to see fewer western monarch butterflies this year. Last week, the Xerces Society announced the results of its 28th ...

A butterfly sits on a leaf at Monarch Grove Sanctuary in Pacific Grove on Nov. 10, 2021. Photo by Nic Coury, AP Photo For the past three years, more than 200,000 western monarch butterflies spent ...