The journey spans multiple generations, with each generation flying a portion of the route before laying eggs and passing the task to their offspring. Monarch butterflies have an innate ability to ...

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

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

Fewer-than-usual monarch butterflies migrated through San Luis Obispo County this winter, according to data from the conservation-focused nonprofit the Xerces Society. “It feels like a punch to ...

Explore the worrying decline of Monarch butterflies in Texas and the implications for pollination and food production. Learn why preserving these butterflies is vital for a sustainable ecosystem.

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