A bigger winter colony could mean strong spring movement through the region.

The endangered monarch butterfly migrates thousands of miles across the Americas. A new Bluetooth-enabled smartphone app ...

A daring surgical procedure has given a doomed monarch butterfly a new lease of life. The delicate operation was captured on ...

An annual count of monarch butterflies conducted by the United States and Mexico as the insects migrate back and forth over ...

Two new reports estimate a 64% increase in species population and a significant decrease in forest degradation in the ...

These flowers are gorgeous for you—and a feast for monarch butterflies.

Mexico's monarch butterfly population jumped 64% in 2026, offering hope even as experts warn the species remains at risk of ...

Milkweed has found a new strategy in its epic evolutionary battle with monarch butterflies: upgrading its toxins to ...

A newly released survey of the eastern monarch’s 2025-26 winter population in Mexico showed a 64% increase over 2024-25.

Local residents can learn to create Monarch butterfly habitats in an upcoming three-part education series. Monarch Basics: ...

Monarch butterflies west of the Rocky Mountains overwinter mostly on the central coast of California. The western migratory ...

Makayla Richardson is your community news reporter covering southern San Luis Obispo County, including Avila Beach, Pismo Beach, Grover Beach, Oceano, Arroyo Grande, and Nipomo. Many western monarch ...