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

"I really want to spread the word that we should not give up right now," said Isis Howard, a conservation biologist with the ...

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

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

MADISON, Wis. — 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 ...

A 2,000-mile migration was thought to be a “foolish ... the USFWS issued a December 2024 proposal to list the monarch butterfly as a threatened species under the Endangered Species Act.

The western monarch migration occurs over multiple generations ... the U.S. Fish and Wildlife Service proposed to list the monarch butterfly as a threatened species under the U.S. Endangered ...

The migration of monarch butterflies ... The USFWS proposed in December 2024 that the monarch butterfly be listed as a threatened species under the US Endangered Species Act, with a 90-day ...

For the past three years, more than 200,000 western monarch butterflies spent their ... since the count first began in 1997. While the butterfly’s population has been declining for years ...