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 ...

U.S. Fish and Wildlife Service announced plans to list monarch butterflies as a threatened species under the Endangered Species Act.

Dan Getman, a Kirksville-based master gardener, proudly watches as his grandchildren race to catch monarch butterflies on his ...

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 ...

Adult monarch butterflies ... species say proposed federal protections could boost existing efforts. The U.S. Fish and Wildlife Service is planning to add the monarch butterfly to a list of ...

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 ...

Monarch butterflies would be protected as a federally threatened species under a proposal announced this month by the U.S. Fish and Wildlife Service (FWS).