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

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

A study on painted lady butterflies reveals that their migration patterns are shaped by environmental cues rather than ...

The findings challenge previous assumptions about butterfly migration and highlight the role of phenotypic plasticity.

Each year, millions of monarch butterflies travel thousands of miles across North America to escape the cold and find ...

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 number of monarch butterflies spending the winter in the western United States dropped dramatically this year even as ...

A broadly distributed migratory butterfly travels varying distances, influenced by environmental conditions rather than ...

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

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

By Ifham Nizam  Sri Lanka has long been a land of unparalleled natural beauty, blessed with a rich biodiversity that has ...

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