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

Monarchs traveled to a remote part of Mexico, a journey they've made for thousands of years, and wintered there. Now tens of millions of the butterflies are on an epic aerial journey back north.

"Monarch butterflies are of the most recognizable and beloved butterfly in North and Central ... year (meaning butterflies that complete the life cycle and survive to see winter) that migrate.

But for decades, illegal logging threatened the butterfly's roosting spots, which once covered as much as 45 acres. It's now down to four and a half. The population of monarch butterflies in ...

The world’s essential pollinators – bees, moths and butterflies – bring color to the world and put food on our plates. Far ...

If there is no bird more American than the eagle, there is no butterfly more American than the monarch ... into a world they did not choose, yet shaping the next chapter of a timeless cycle.

There are so many flying around ... the butterfly's roosting spots, which once covered as much as 45 acres. It's now down to four and a half. The population of monarch butterflies in Mexico has ...

If there is no bird more American than the eagle, there is no butterfly more American than the monarch ... into a world they did not choose, yet shaping the next chapter of a timeless cycle.

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