Some of the largest clusters this season were found in Santa Cruz County, with 1,406 monarchs at Lighthouse Field State Beach ...

Every year, one of the most fascinating spectacles in the natural world unfolds as millions of monarch butterflies embark on ...

The iconic monarch butterfly is declining across North America. You can help make a difference by providing the species with ...

ASGA's vice president of science and innovation told sugarbeet growers the potential listing of monarch butterflies as ...

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 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 ...

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

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

One of these collaborations is the planted butterfly gardens in and around the Chickasaw Nation. Thousands have become ...

Newly released data shows that the number of monarch butterflies migrating to California this winter is near-record low. "We ...