Editor’s Note: Nature Notes is a weekly column provided by Gulf Coast Bird Observatory ...

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

The community science initiative, known as the Western Monarch Count, is led by the Xerces Society, a conservation nonprofit ...

Monarch butterflies from the western United States have arrived in Santa Cruz and other parts of the California coast, ...

Monarch butterfly count at Pismo State Beach Monarch Grove was only 471 in 2025. The counts have been falling in the California overwintering site for more than three decades.

For the first time in California, citizen scientists can join the effort to track monarch butterflies thanks to Blu+, a new ...

In recent years, the number of monarch butterflies has been declining, and researchers don’t know the exact cause.

Amid the eucalyptus groves at Natural Bridges State Beach in Santa Cruz, local bug enthusiast Sasha Hernandez squinted through the draping green leaves, searching for flashes of black and orange — the ...

Tree cutting at a known monarch butterfly habitat in Ventura was halted after city officials arrived at the scene and ordered ...

Scientists are putting backpacks on butterflies at Ellwood Mesa. These “backpacks” are brand new, solar-powered radio tags that weigh about as much as a few grains of rice. For the first time ever, ...