"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 ...

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 ...

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 ...

While the butterfly’s population has been declining for years, the finding still has some biologists and California park advocates worried. Related: How Southern California naturalists are trying to ...

Pismo Beach Monarch Butterfly Grove in San Luis Obispo was the fourth largest with 556 monarch butterflies. The Bay Area’s Skywest Golf Course came in fifth with 477 monarchs. Some other sites with a ...

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 ...