The 56,259 ha biosphere lies within rugged forested mountains about 100 km northwest of Mexico City. Every autumn, millions, perhaps a billion, butterflies from wide areas of North America return to ...

Hummingbirds aren't the only spring-time animals on the move across Georgia. Sightings of monarch butterflies have been seen predominantly near southern cities like Savannah and St. Mary's ...

There is hope for monarch butterflies in Texas after the population nearly doubled in 2025, according to a news release from ...

The Trump administration said Tuesday that it is reconsidering adding protections to the monarch butterfly as a threatened species under the Endangered Species Act. The U.S. Fish and Wildlife ...

DENVER (KDVR) — This spring, be on the lookout for monarch butterflies, as the winged insects make their annual migration across Colorado to Canada. Millions of black and orange wings will ...

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 ...

In a turn of events, the eastern monarch butterfly population — which was put on the list of endangered species just a few years ago — nearly doubled this year, according to a March report ...