The Western Monarch Count is underway, a community science project that aims to understand population changes for the orange ...

The monarch butterfly migration is off to a tough start this season - with fewer butterflies than usual fluttering to the Pismo State Beach Monarch Butterfly Grove. As of Wednesday, California State ...

For a second straight year, a low number of monarch butterflies have been counted at the popular Pismo State Beach Butterfly ...

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, are found ...

The Thanksgiving holiday has historically marked the peak sightings of western monarch butterflies on California’s Central Coast. The peak reached 8,000 this year, a fraction of what the tally should ...

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 ...

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 change ...