The Western population of the monarch butterfly has declined to a near-record low with fewer than 10,000 found living in ...

Scientists are grappling with a stark population decline of the western monarch butterfly after the species’ numbers hit a ...

The U.S. Fish and Wildlife Service is taking steps to list monarch butterflies as threatened species and designate seven ...

The number of monarch butterflies spending the winter in the western United States dropped dramatically this year even as ...

The Western population of the monarch butterfly has reached the second-lowest level recorded since tracking began nearly ...

“Insect populations commonly fluctuate from year to year,” according to the California ... The monarch butterfly was first petitioned to be listed under the federal Endangered Species Act ...

Read more:Monarch butterflies proposed for threatened species status The ... 4 million butterflies were estimated to spend winter in California, according to the California Department of Fish ...

On Thursday, invertebrate conservation group the Xerxes Society released the results of their 28th annual Western Monarch ...

“Their decline is a sort of indicator of the decline of many species in California. And all the conservation that we'll be doing to protect monarch butterflies will not only protect ...

Read more: Monarch butterflies proposed for threatened species status The butterfly's Western population has plummeted more than 95% since the 1980s, when up to 4 million butterflies were estimated to ...