Wildlife officials are considering adding the monarch butterfly, which migrate to California's coast each fall, to the ...

The U.S. Fish and Wildlife Service proposed listing the monarch butterfly as a threatened species on Tuesday, citing a ...

The U.S. Fish and Wildlife Service on Tuesday proposed to add the monarch butterfly to the threatened species list.

The major U.S. Fish and Wildlife Service’s proposal would declare the iconic species as threatened, with federal scientists ...

U.S. wildlife officials have decided to extend endangered species protections to monarch butterflies. The U.S. Fish and ...