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

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

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 ...

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

Mid-season surveys have turned up roughly 8,000 monarchs across the western range, based on figures compiled by count ...

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 ...

LINCOLN, Neb. (Nebraska Today) - Enjoying a stroll across campus this fall likely includes the happy sighting of a monarch butterfly — or dozens of them. The iconic orange and black pollinators are ...

While I suspect the majority of people here in Texas have seen a monarch butterfly, most probably don’t know that they make one of the most amazing migrations on the planet. Monarchs, known for their ...

The monarch butterfly, Texas' official state insect, is in the middle of its 2,200 mile migration from Canada to Mexico — and you may be just in time to witness the remarkable journey. When is peak ...

Overview of monarch breeding biology / Karen S. Oberhauser -- Temporal and geographical variation in monarch densities : citizen scientists document monarch population patterns / Michelle D. Prysby ...