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

This year’s estimate found the eastern monarch butterfly colonies took up just ... the area of forest in which monarch butterflies hibernate each winter to understand their estimated population ...

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

DESCRIPTION: The monarch is a large orange butterfly that flies with its wings held in a ... forming clusters of butterflies in a state of diapause, which is like hibernation. The forests provide ...

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

Where do the creatures go in winter? The ground is alive with myriads of ants, bugs, beetles, caterpillars and smaller forms of insect life. Inevitably there comes a night when the temperature ...

Overwintering populations of monarch butterflies in California have reached a near all-time low since records began, conservationists announced on Thursday. The ...

FILE - A butterfly sits on a leaf at Monarch Grove Sanctuary in Pacific Grove, Calif., on Nov. 10, 2021. (AP Photo/Nic Coury, File) ...