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 ...

Painted lady butterflies are world travelers. The ones we encounter in Europe fly from Africa to Sweden, ultimately returning ...

Painted lady butterflies are world travelers. The ones we encounter in Europe fly from Africa to Sweden, ultimately returning to areas north and south of the Sahara. But what determines whether some ...

The Western population of the monarch butterfly has declined to a near-record low with fewer than 10,000 found living in California this winter, a foreboding sign for the future of the beloved ...

Monarch butterflies return to California for the winter in November in Santa Cruz, California. The U.S. Fish and Wildlife Service is taking steps to list monarch butterflies as a threatened ...

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 ...

The annual Western Monarch Count observed a peak population of 9,119 Monarch butterflies in California this winter, marking a sharp decline in the last few years. The count, administered by the ...

Times of San Diego will send you the top local and state news at 8 a.m., 365 days a year. Sign up Western monarch butterflies at Natural Bridges State Beach, California, one of the top four ...

Monarch butterfly numbers at Pismo Grove have dropped significantly this year, according to the nonprofit Xerces Society’s annual count. 556 western monarchs were counted in Pismo this ...

Among its many wonders, one phenomenon stood out for its delicate charm and ecological significance: the annual butterfly migration. For centuries, this breathtaking event marked the pilgrimage season ...