Who saw this monarch butterfly in Mexico's Chihuahuan desert?
Spring migration is underway, so it's time to learn how to use our migration map. Learn by yourself or view the slideshow, How to Use Journey North's live maps. See how quickly you can find the answers to these questions:

• Who saw this monarch butterfly in Mexico's Chihuahuan desert?
• How many people saw their first monarch in Texas on March 17th?
• Who said that the wind was blowing 18mph from the south that day?