Federal wildlife officials on Tuesday moved to add the monarch butterfly to its endangered species roster, citing decades of steep population decline of the striking black-and-orange insect.

The monarch butterfly population continues to shrink due to factors such as climate change. People working to help the ...

After years on hold, the U.S. Fish and Wildlife Service (“USFWS”) is moving forward with a proposed rule to list monarch butterflies as ...

The once-common orange-and-black butterflies have declined by 90% in recent decades, with the latest count showing the second smallest population on record, according to the Center for Biological ...

On December 12, the US Fish and Wildlife Service (FWS) issued a proposed rule to list the monarch butterfly as a threatened species under the Endangered Species Act of 1973 (ESA). Endangered and ...

New protections for monarch butterflies are in the works as the U.S. Fish and Wildlife Service proposes a new rule.

EPA must better assess the dangers of pesticides, especially in monarch breeding habitats in state’s Central Valley.

The bright orange and black-marked monarch migrates through Oklahoma each fall and spring, stopping along its route to ...

Will protecting monarch butterflies under the Endangered Species Act improve their chance of surviving? Not necessarily, 2 entomologists caution.

The U.S. Fish and Wildlife Service is proposing federal protections for the monarch butterfly. Last month, the service ...

Adult monarch butterflies are large with bright orange wings, white spots and black veins and boarder. The U.S. Fish and Wildlife Service is recommending federal protections for the species as factors ...

Adult monarch butterflies are large with bright orange wings, white spots and black veins and boarder. The U.S. Fish and Wildlife Service is recommending federal protections for the species as ...