Monarch butterfly populations are shrinking at an alarming rate, which is why Idaho Fish and Game is asking for your help to ...

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 ...

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

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 ...

This year’s estimate found the eastern monarch butterfly colonies took up just 2.2 acres of regional forests, 59% less than during the 2022-2023 winter season.

The monarch butterfly population has declined in recent decades, leading to a proposed listing as threatened under the Endangered Species Act. People can help monarch butterflies by planting ...

Monarch butterflies with more white spots on their mostly orange-and-black wings are more successful at long-distance migration. Some scientists think the spots may affect airflow around their wings.

MADISON, Wis. — U.S. wildlife officials announced a decision Tuesday to extend federal protections to monarch butterflies after years of warnings from environmentalists that populations are ...

SAN DIEGO — U.S. Fish and Wildlife Service has proposed listing monarch butterflies as a threatened species and has considered some possibly contradictory ways to protect them, Nicholas Storer ...

Monarch butterflies, known for a jaw-dropping fall migration of up to 3,000 miles, have been in decline since the 1990s, due to factors such as loss of milkweed habitat.

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 ...

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 ...