In a 2022 study, we analyzed counts of monarch butterflies during the North American Butterfly ... fall migration and overwintering. Conserving overwintering sites and planting appropriate types of ...

Each year, monarch butterflies ... “We continually monitor the butterfly’s core area,” he told La Jornada. “The main threat lies along the migration route the butterfly takes from the ...

In the realm of natural wonders, few phenomena rival the awe-inspiring journey of the monarch butterfly migration ... Female monarchs lay eggs along the route, and successive generations continue the ...

People in northern climates are familiar with flocks of birds flying south in the winter, but why do they do it, and why ...

In a 2022 study, we analyzed counts of monarch butterflies during the North American Butterfly ... fall migration and overwintering. Conserving overwintering sites and planting appropriate types of ...

Just over 9,000 monarchs were counted in California last winter, the second lowest ever since the annual count began in 1997 ...

The number of monarch butterflies spending winter in the western U.S. dropped dramatically this year, despite moves to extend ...

This winter, volunteers from the Xerces Society, a nonprofit environmental group, tallied just 9,119 western monarchs — a ...

The findings challenge previous assumptions about butterfly migration and highlight the role of phenotypic plasticity.

Fewer-than-usual monarch butterflies migrated through ... Pismo Beach’s butterfly count matches migration data from the rest of the West Coast. Only 9,119 butterflies were counted at West ...

The number of monarch butterflies spending the winter in the western United States dropped dramatically this year ...

PISMO BEACH, Calif. – On Thursday, invertebrate conservation group the Xerxes Society released the results of their 28th annual Western Monarch Butterfly Count and recorded the second lowest ...