It’s a big day for insects. The U.S. Fish and Wildlife Service announced Tuesday that it is proposing the monarch butterfly for threatened species status under the Endangered Species Act, a big ...

It’s a big day for insects. The U.S. Fish and Wildlife Service announced Tuesday that it is proposing the monarch butterfly for threatened species status under the Endangered Species Act, a big ...

Monarch butterflies have been declared endangered. ... is this big, huge package about agricultural interest that goes through Congress every few years or so. OBERHAUSER: Exactly.

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.

Scientists say roosting monarchs took up 2.2 acres of Mexican fir forests this winter. That's the second smallest overwintering population on the books.

The monarch butterfly migration from the United States to Mexico is one of the great wonders of the natural world, ... there are some easy and quick actions you can take that will have a big impact.

Monarch butterflies face loss and degradation of habitat, exposure to insecticides and the effects of climate change. The government cited these factors when proposing a new rule to protect the ...

Critters The Monarch May Soon Be Listed as Threatened—With Big Implications for Texas Butterfly Breeders The beloved orange insect has suffered a sharp decline in numbers, but scientists ...

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.

CHICAGO — It’s a big day for insects. The U.S. Fish and Wildlife Service announced Tuesday that it is proposing the monarch butterfly for threatened species status under the Endangered Species ...