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

The number of monarch butterflies spending winter in the western U.S. dropped dramatically this year, despite moves to extend ...

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

The results of the 28 annual mid-season Western Monarch Count have been released: only 9,119 of the butterflies were counted ...

Hundreds of volunteers and partners participated in the 28th annual Western Monarch Count by attempting to identify all of ...

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

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

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 ...

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.