Newly released data shows that the number of monarch butterflies migrating to California this winter is near-record low. "We ...

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

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

The number of monarch butterflies in California is in sharp decline this year. This is the second-lowest population recording ...

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

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

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

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

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

The number of monarch butterflies spending the winter in the western United States has dropped to its second-lowest mark in ...

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