Up to a billion monarch butterflies return annually, from breeding areas as far away as Canada, to land in close-packed clusters within 14 overwintering colonies in the oyamel fir forests of central ...

Monarch butterflies are known for their impressive long-distance migration and large clusters they form while overwintering in Mexico and coastal California. Once abundant, monarch butterfly ...

The number of monarch butterflies migrating to California over the winter has hit a near-record low, according to the agency that conducts the annual count. The 28th annual Western Monarch Count ...

Did you know that caterpillars come from butterfly eggs? See pictures of butterflies laying eggs on their host plants.

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 ...

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 ...

The World Wildlife Fund's latest count of migratory monarch butterflies offers some encouraging news for the eastern population while the western population may be struggling to survive.

“While it’s wonderful news that the monarch population increased this year ... size is determined by measuring the area of trees turned vivid orange by the clusters of butterflies. Scientists estimate ...

And March 12 is National Plant a Flower Day, the perfect day to bask in the sunlight and plant flowers that will help pollinators like the endangered eastern monarch butterfly. The sun is out ...