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

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

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.

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

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

Thogmartin and other researchers have evaluated more than 200 scenarios for restoring greater than 1.3 billion stems of ...

A winter count of visiting monarch butterflies found a steep drop from previous years, which has scientists worried about the ...

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

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

Overwintering populations of monarch butterflies in California have reached a near all-time low since records began, conservationists announced on Thursday. The ...

Western monarchs' future looks murky Pelton said that it's too early to tell what long-term impact the dramatic losses might have on the overall western monarch population. Insects do have the ...

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