The iconic monarch butterfly is declining across North America. You can help make a difference by providing the species with ...

The U.S. Fish and Wildlife Service is taking steps to list monarch butterflies as threatened species and designate seven ...

Valentine’s Day is a celebration of love. Flowers have long been symbolic of that special connection between people.

A lone Monarch butterfly at the Piedra Herrada butterfly sanctuary in ... So, monarchs need milkweed as their host plant. That's what the female butterflies seek out milkweed to lay their eggs on, and ...

In a 2022 study, we analyzed counts of monarch butterflies during the North American Butterfly Association’s annual butterfly ... Like many other insects, a single female monarch can lay hundreds of ...

This remarkable transformation, known as complete metamorphosis, allows the monarch to undergo a complete change in form and function throughout its life. It all begins with a tiny, oval-shaped egg ...

Newly released data shows that the number of monarch butterflies migrating to California this winter is near-record low. "We ...

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

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

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

"The iconic monarch butterfly is cherished across North America, captivating children and adults throughout its fascinating life cycle," U.S. Fish and Wildlife Service Director Martha Williams ...

In December, the U.S. Fish and Wildlife Service proposed to list the monarch butterfly as a threatened species under the U.S. Endangered Species Act. The public can comment on the listing until ...