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

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.

Painted lady butterflies are world travelers. The ones we encounter in Europe fly from Africa to Sweden, ultimately returning ...

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

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

The main basis for the proposal to list monarchs as threatened is that researchers are seeing fewer of the butterflies each year at their overwintering sites. There’s little debate that the monarch’s ...

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

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 ...

This grant is more than just an opportunity it’s a lifeline for the Monarch migration,” said Shiran Hershcovich, Lepidopterist Manager at Butterfly Pavilion. The U.S. Fish and Wildlife Service ...