The U.S. Fish and Wildlife Service said it is reopening the public comment period for a proposed rule to list the monarch butterfly as a threatened species under the Endangered Species Act.

While the butterflies wintered in Mexico, the organization found that the eastern monarch butterfly colonies took up 2.2 acres of regional forests during the 2023-2024 winter season.

While some monarch conservation efforts are larger than individual actions, keeping native grasslands and other wild patches protected can also help support the continent’s populations, says NWF.

A monarch butterfly makes a stop on a butterfly bush in a flower garden north of Durango on Aug. 25. Monarchs that overwinter in California and migrate to Colorado for the summer increased from a ...

The monarch butterfly, with its striking orange and black markings, has become a beloved species but faces significant challenges, as the U.S. Fish and Wildlife Service announced an estimated 80% ...

The U.S. Fish and Wildlife Service proposed Tuesday adding the iconic monarch butterfly to its list of federally endangered species. Public comments will be accepted through mid-March on the proposal ...

Most of the lands that will be set aside for the butterfly are in in California. Environmental groups praised the move as the monarch is one of North America's great pollinators.

The long-tailed macaque and the monarch butterfly are among species classed as endangered for the first time, as Earth’s biodiversity declines accelerate.. All the world’s remaining 26 ...

Monarch butterfly numbers in Pacific Grove have drastically decreased this season, causing concern among scientists and conservationists. The Pacific Grove Museum of Natural History reports low ...

Dramatic recent declines in the size of monarch butterfly ( Danaus plexippus ) roosts during fall migration. Proceedings of the National Academy of Sciences , 2024; 121 (43) DOI: 10.1073/pnas ...

The monarch butterfly is now listed as endangered. The western monarch butterfly's population dropped by 99.9% since the 1980s. The insect's population, on average, had seen up to a 70% decline ...

The monarch butterfly population has declined drastically, raising extinction concerns by 2080. Critical habitat designation is proposed in California, with public comments open until May 19.