The Western monarch population has plunged more than 95% since the 1980s, and has a more than 99% chance of extinction by 2080. Western monarchs primarily spend winters along the California coast.

The Fish and Wildlife Service is considering federal protections for the beloved butterfly. But some biologists who study the monarch say the evidence doesn’t support listing. Monarch butterfly expert ...

About a week ago, several monarch caterpillars were busily munching on the native narrowleaf milkweed I’d planted in my backyard in the San Francisco Bay Area to provide habitat for the imperiled ...

Monarch butterflies (Danaus plexippus) have long been known for their impressive migration abilities, with North American species traveling around 3,000 miles from the United States and Canada into ...

They would become the most commonly seen species to receive federal protection if the proposal is adopted. By Catrin Einhorn Federal wildlife officials proposed on Tuesday that monarch butterflies ...

(Beyond Pesticides, December 20, 2024) On December 12, the U.S. Fish and Wildlife Service (FWS) opened a public comment period on its proposal to list the monarch butterfly (Danaus plexippus) as a ...

From 2003 to 2019, amateur butterfly enthusiast Harlan Radcliff spent his lunch breaks observing butterflies on the grounds of the Camp Dodge military installation in central Iowa. Diane Debinski, ...

On December 12, 2024, the U.S. Fish and Wildlife Service (FWS) proposed listing the monarch butterfly as a threatened species with a special section 4(d) rule under the Endangered Species Act (ESA).

U.S. officials moved Tuesday to protect the monarch, an iconic orange-and-black butterfly famous for its marathon migration across North America, under the Endangered Species Act. The U.S. Fish and ...

At the Cincinnati Nature Center, patches of native plants are the setting for a sort-of scavenger hunt. Research ecologist Tess Mulrey stops at each milkweed plant she sees. “Each individual plant is ...