Walton blames the use of herbicides and pesticides for the decline in the monarch butterflies. If cattle eat milkweed, it can ...

A monarch butterfly makes a stop on a butterfly bush in a flower garden north of Durango on Aug. 25. Monarchs that overwinter in California and migrate to Colorado for the summer increased from a ...

SALT LAKE CITY — The iconic monarch butterfly, sporting its splashy orange and black wings, has been in serious decline for decades. Now, the U.S. Fish and Wildlife Service is asking for the ...

Are you interested in learning about the life cycle of a butterfly and even participating in the process? Tanglewood Nature ...

The question this Earth Day is not whether we can save the monarch butterfly − we can − but whether we will. Approval rating sinks Stop mocking me Get the latest views Submit a column.

Monarch butterflies hanging from tree branches 60 Minutes Anderson Cooper: There're so many of them on the branches of the trees, the-- the-- the branches are all pointing toward the ground.

The monarch butterfly is widely recognized and widely dispersed across North America and it's in trouble. Federal officials decide soon whether it gets protection under the Endangered Species Act.

In light of habitat loss and population decline, the U.S. Fish and Wildlife Service may give monarch butterflies a slot under the Endangered Species Act by December. The species, which was once ...

The official state butterfly since 2000, monarch butterflies are facing a major ecological threat, according to experts. Local, Western populations of monarchs have declined by around 30% compared to ...

For thousands of years, millions of monarch butterflies have migrated from the northern U.S. and Canada to Mexico for the winter. But exactly how they know where to go is still a mystery.

Dramatic recent declines in the size of monarch butterfly ( Danaus plexippus ) roosts during fall migration. Proceedings of the National Academy of Sciences , 2024; 121 (43) DOI: 10.1073/pnas ...