In monarchs' overwintering groves, there were once so many butterflies ... happens in the chrysalis stage. Monarch butterflies only flap their wings around 5 to 12 times per second — much more slowly ...

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 ... of a butterfly. And there are so many of ...

Monarchs are typically found in areas with a high number of nectar sources. While domestic plants are used, native flowers ...

Following a migration that started in Mexico, monarch butterflies have reached Michigan. Here's where they've been spotted.

This week on 60 Minutes, correspondent Anderson Cooper reports on the migration of the monarch butterflies ... who runs tour groups to the butterfly reserve. He has traveled the world in search ...

The U.S. Fish and Wildlife Service announced Tuesday that it is proposing the monarch butterfly for threatened ... is remarkably resilient, like many things in nature when we just give them ...

Here's what we know: When will monarch butterflies be in Georgia? Like many other animals ... the WWF reported the eastern migratory monarch butterfly population has decreased by more than ...

Why Do Monarch Butterflies Swarm? Monarch butterflies, like other butterfly species and birds, must migrate to warmer climates during the cold winter months. Monarch butterflies are unique because ...

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 ...

"Monarch butterflies are of the most recognizable and beloved butterfly in North and Central ... Monarch butterflies pollinate many of Michigan's plants, according to the DNR, but are threatened ...