Monarch butterflies in the western U.S. have dropped to just 9,119 this year. In 2023, the count was 233,394, meaning a 96% decline.

Monarchs across the continent face mounting threats ... wildlife service to reduce the risks of damage. "The iconic monarch butterfly is cherished across North America, captivating children ...

Heat may have doomed western monarchs Monarchs across the continent face mounting threats, chief among them vanishing ...

Monarchs across the continent face ... The monarch population is already small, she said, and triple-digit heat in the western states last year may have slowed breeding. 2:19 Monarch Butterfly ...

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 ...

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 ...

Monarch butterfly numbers at Pismo Grove have dropped significantly this year, according to the nonprofit Xerces Society’s annual count. 556 western monarchs were counted in Pismo this ...

The migration of Monarch Butterflies is an incredible natural phenomenon. We’re all familiar with the stunning beauty of the fragile monarch butterfly, its bright orange wings ... in North America to ...

The number of monarch butterflies spending the winter in ... Monarchs across the continent face mounting threats, chief among them vanishing milkweed, the host plant for the insect's caterpillars.

Each year, monarch butterflies migrate from Canada and the United States to the Monarch Butterfly Biosphere Reserve, a 562-square-kilometer UNESCO site in the forests of Michoacán and México state.