Climate warming reduces nectar quality in flowers, leaving migrating monarch butterflies with less energy to survive winter.

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, vice ...

Add Yahoo as a preferred source to see more of our stories on Google. State legislators aren't all about partisan bickering. They banded together in a kumbaya moment to help Ohioans do their part to ...

We stood at a window on a blissful September morning, drinking coffee and watching butterflies sail over our backyard garden. First came a female pipevine swallowtail that laid eggs on an Aristolochia ...

I recently heard on KUNR that monarch butterflies may soon be listed as a threatened species under the U.S. Endangered Species Act. Western monarchs are even more at risk than the eastern ones, with a ...

Across North America, monarch butterfly populations will begin their journey southward to warmer winter climates in Mexico, travelling across much of the United States, including Oklahoma, along their ...

Monarch butterfly migration is a long journey. Learn how these amazing butterflies make the trip, where monarchs migrate to ...

Monarch butterflies return to California for the winter in November in Santa Cruz, California. The U.S. Fish and Wildlife Service is taking steps to list monarch butterflies as a threatened species ...

SALISBURY — Last weekend, Salisbury had a hand in one of the largest natural migrations taking place across the U.S., and it happened in a flutter. Hurley Park hosted the annual monarch butterfly ...

As temperatures rise slightly, late-season plants produce weaker nectar, showing that climate change can affect pollinators ...