Monarch Butterflies

Do You Know a Monarch When You See One?
Monarch Butterfly Identification
More Slideshows

 

The Annual Cycle of the Monarch Butterfly
 

Hundreds of observers track the monarch's migration every fall and spring. In order for the data to be valid and useful, reported sightings must be accurate.

How can an observer distinguish a monarch from other look-alike butterflies?

 

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