The number of monarch butterflies spending the winter in the western United States has dropped to its second-lowest mark in nearly three decades as pesticides, diminishing habitat and climate ...

The number of monarch butterflies spending the winter in the western United States dropped dramatically this year even as federal officials move to extend protections for the beloved pollinator ...

For the past three years, more than 200,000 western monarch butterflies spent their winters along the California coast — huddling together in tall tree groves, finding respite from the wind from ...

Before National Geographic published its famous August 1976 cover story detailing the search for the monarch butterfly’s wintering grounds, nobody knew where these strikingly beautiful creatures ...

The number of monarch butterflies migrating to California over the winter has hit a near-record low, according to the agency that conducts the annual count. The 28th annual Western Monarch Count ...

Visitors to Pismo State Beach and other California state beaches can expect to see fewer western monarch butterflies this year. Last week, the Xerces Society announced the results of its 28th ...

The number of monarch butterflies spending the winter in the western United States has dropped to its second-lowest mark in nearly three decades as pesticides, diminishing habitat and climate ...

The number of monarch butterflies spending the winter in the western United States dropped dramatically this year. Monarch butterflies, known for their distinctive orange-and-black wings ...

After bottoming out at 1,901 butterflies in 2020, the population rebounded to 247,246 insects the following year, an increase of nearly 13,000%. The year after that the survey recorded 335,479 ...