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 ...

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

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

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

The U.S. Fish and Wildlife Service’s proposed protection of the monarch butterfly as threatened under the Endangered Species ...

Usefully, the listing would legally protect the groves of trees near the California coast where western monarchs overwinter. The eastern monarch population’s overwintering grounds in Mexico are ...

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

The king of butterflies is under threat, and the U.S. Fish & Wildlife Service is proposing a “threatened” classification ...

The U.S. Fish and Wildlife Service proposed listing the once-common monarch as threatened under the Endangered Species Act, and designating coastal California sites where the butterflies spend ...

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