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

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

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.

This year the organization counted 9,119 monarchs, the second-lowest total since tracking began in 1997. The organization has ...

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

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

Not that long ago, monarch butterflies used to migrate in droves. However, over the last few decades, the number of these ...

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

Growing milkweed from seed is one of the easiest ways to help declining monarch butterflies. In December 2024, the U.S. Fish ...

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

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

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