MADISON, Wis. (AP) — The number of monarch butterflies spending the winter in the western United States has dropped to its ...

The number of monarch butterflies spending winter in the western U.S. dropped dramatically this year, despite moves to extend ...

Monarch butterflies are among the most beloved insects in North ... In fact, clearing of forests for agriculture over past centuries appeared to have created more habitat for the plants and insects.

Thogmartin and other researchers have evaluated more than 200 scenarios for restoring greater than 1.3 billion stems of ...

The U.S. Fish and Wildlife Service is taking steps to list monarch butterflies as a threatened species and designate seven California counties as critical habitats to deter a 99% likelihood of ...

The proposal to list the monarch as a threatened species is not a done deal. The FWS invites comments from the general public ...

The Western population of the monarch ... by 2080. Habitat destruction, pesticides and extreme weather fluctuation due to climate change are all to blame for the butterfly’s decline.

Fewer-than-usual monarch butterflies migrated through San Luis Obispo County this winter, according to data from the conservation-focused nonprofit the Xerces Society. “It feels like a punch to ...

Monarch butterflies have declined 80 ... But the iconic orange and black butterflies are facing threats from habitat loss, climate change and the use of insecticides, according to Lisa Nordstrom ...

A monarch butterfly at the Coastal Access Monarch Butterfly Preserve in Los Osos, Calif., on Jan. 20. (Gary Coronado / Los Angeles Times) ...

The Western population of the monarch ... by 2080. Habitat destruction, pesticides and extreme weather fluctuation due to climate change are all to blame for the butterfly's decline.