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 ...

Peggy Campbell-Rush is an educator on the First Coast. She's now studying the monarch butterflies' migration in Mexico. It ties into her passion for Buddy Check.

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.

Each year, millions of monarch butterflies travel thousands of miles across North America to escape the cold and find suitable breeding grounds. Their migration habits are an absolutely extraordinary ...

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

This grant is more than just an opportunity it’s a lifeline for the Monarch migration,” said Shiran Hershcovich, Lepidopterist Manager at Butterfly Pavilion. The U.S. Fish and Wildlife Service ...

At a festival last September in Minneapolis meant to celebrate the monarch butterflies' migration before winter, some monarch enthusiasts noted that the insects' prevalence seemed to have dwindled ...

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

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