Like last year, a dramatically small number of monarch butterflies migrated through San Luis Obispo County this winter, according to data from the conservation-focused nonprofit the Xerces Society.

This is read by an automated voice. Please report any issues or inconsistencies here. Western monarch populations hit the third-lowest count since 1997, with just 12,260 recorded along California’s ...

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Every beautiful butterfly was once a caterpillar, and caterpillars have to eat. This may surprise you, but the average caterpillar has a very restrictive diet, feeding on only a few plants, and some ...

CHAMBLEE, Ga. — Chamblee and its mayor was recognized as Monarch Champion on Dec. 16 by the National Wildlife Federation for its commitment to monarch butterfly conservation. The designation of ...

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 ...

Monarch butterflies are in decline largely because of habitat degradation, including in the Monarch Butterfly Biosphere Reserve in the forested mountains of Central Mexico. Researchers looked at ...

MISSION, Texas (Border Report) — Wearing dark sunglasses, long sleeves and a wide-brimmed hat, Florida retiree Linda Cooper came prepared to gaze at butterflies in 90-degree weather Thursday at the ...

A monarch butterfly lands on milkweed at Sun Valley Elementary School in San Rafael on July 29. (Sherry LaVars/Marin Independent Journal) Caterpillars eat milkweed leaves. (AP Photo/Herald Times ...

Scientists used tiny new sensors to follow the insects on journeys that take thousands of miles to their winter colonies in Mexico. Scientists used tiny new sensors to follow the insects on journeys ...

Only 20 butterflies were counted for the 2025 pre-season monarch butterfly count, according to Charis van der Heide, senior biologist and monarch butterfly specialist with Althouse and Meade Inc.