The latest count of western monarch butterfly populations is the third-lowest yet, after 2024 and 2020.

The all-time lowest population size in Pismo Beach was reported in 2020, when only 199 butterflies were counted at the ...

The Endangered Species Act is no help yet.

The Xerces Society has released new results from its annual Western Monarch Count, showing that monarch butterfly numbers remain low at overwintering sites across California, including Pismo Beach.

The Trump administration has delayed protections.

Climate warming reduces nectar quality in flowers, leaving migrating monarch butterflies with less energy to survive winter.

I struggled to catch my breath, but it had nothing to do with the 10,000-foot altitude. All around me, millions of monarch ...

Pacific Grove is known as ‘Butterfly Town USA’ for its role as an overwintering spot. As the insect’s population plummets, residents are coming to its rescue ...

It’s a sunny July afternoon, and Grayslake neighbors Annie Lawson and Heather Bauer are standing at the side of Lawson’s home, carefully going through her garden of milkweed plants. Lawson points at ...

PACIFIC GROVE — Pacific Grove is an idyllic place to go for rest and relaxation. West Coast Monarch butterflies would agree.

One of the world’s most iconic migrations is at risk, as rising temperatures alter the quality of vital flower nectar.Every ...

The most unsettling declines aren't sudden collapses but slow thinnings that force us to realize, too late, that ...