Why Cape May’s monarch butterfly migration population varies so much “We’re verging on a big year,” says Mark Garland, ... If the butterflies get tired over land, they can rest, but if they grow tired ...

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

PACIFIC GROVE — Monarch butterfly numbers are down this year entering prime counting season, but experts aren’t panicking yet. “Butterfly populations are bouncy,” said Isis Howard, an ...

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 ...

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

Monarch butterfly populations are crashing — but we can choose to do something about it A species once numbering in the millions has reached 5% of its population in the '80s.

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 ...

The first monarch butterflies have appeared in the mountaintop forests of central Mexico where they spend the winter. Skip to main content. Open Main Menu Navigation.

Monarch butterfly populations are crashing — but we can choose to do something about it A species once numbering in the millions has reached 5% of its population in the '80s.

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.

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 ...

CERRO PRIETO, Mexico (AP) - If you'd rather see butterflies on a mountaintop than slather yourself with sunblock on a tourist-packed beach in Cancun, Mexico is an ideal winter destination.