Once, millions of monarchs wintered in California. But climate change, habitat loss, widespread pesticide use and disease ...

"The iconic monarch butterfly is cherished across North America, captivating children and adults throughout its fascinating life cycle," U.S. Fish and Wildlife Service Director Martha Williams ...

The organization announced Friday that it counted just 9,119 monarchs in 2024, a decrease of 96% from 233,394 in 2023. The total was the second-lowest since the survey began in 1997. The record ...

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 Western population of the monarch butterfly has declined to a near-record low with fewer than 10,000 found living in California this winter, a foreboding sign for the future of the beloved ...

In December, the U.S. Fish and Wildlife Service proposed to list the monarch butterfly as a threatened species under the U.S. Endangered Species Act. The public can comment on the listing until ...

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 ...

tallied just 9,119 western monarchs — a dramatic 95% plunge and the second-lowest recording since the count first began in 1997. While the butterfly’s population has been declining for years ...

2:19 Monarch Butterfly Festival and Run in Peterborough aims to raise awareness, funds for endangered species Monarch Butterfly Festival and Run in Peterborough aims to raise awareness ...

The number of monarch butterflies spending the winter in the western United States dropped dramatically this year. Monarch butterflies, known for their distinctive orange-and-black wings ...

The Pismo State Beach Butterfly Grove only hosted 556 monarchs at the peak of the 2024 season — a steep decline from the 16,044 butterflies counted in 2023, according to Xerces Society data.