Monarch butterflies are famous for their annual migrations, but not all migrate. In recent years, more and more monarchs have ...

Are monarch butterflies endangered? Monarch population numbers are falling and it's clear that these butterflies need our ...

Urban monarchs formed isolated populations with limited impact on migratory butterflies, suggesting city habitats can support ...

Monarch butterflies depend on the milkweed plant as the only food source for its larvae, but the monarchs benefit from the ...

If there is no bird more American than the eagle, there is no butterfly more American than the monarch. Breathtaking and resilient, the monarch butterfly completes one of the most astounding ...

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 ...

SALT LAKE CITY — The U.S. Fish and Wildlife Service said it is reopening the public comment period for a proposed rule to list the monarch butterfly as a threatened species under the Endangered ...

Dec 10 (Reuters) - The U.S. Fish and Wildlife Service proposed listing the monarch butterfly as a threatened species on Tuesday, citing a significant decline in the iconic black and orange insects ...

Tens of millions of monarch butterflies are on an epic aerial journey home. They've spent the winter hanging out in trees in a forest on a remote mountain in Mexico, resting up after flying all ...

After flying some 3,000 miles from the northern U.S. and Canada to a remote forest in Central Mexico for the winter, tens of millions of monarch butterflies are making their way back north.

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 are famous for their annual migrations, but not all migrate. In recent years, more and more monarchs have ...