Journey North uses volunteer-submitted data to track the migration. On Monday, the state’s first sighting was recorded in ...

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

Monarch butterflies are returning to Michigan ... and can be viewed on its interactive map. You may help track the migration by reporting sightings and submitting photos via the website.

which tracks monarch butterflies, announced on April 16. Journey North's monarch migration map shows the closest sighting to Michigan was in Warrenville, Illinois, on April 6. Two more sightings ...

Some Baltimore orioles start to migrate back south as early as July if they're hatchlings for the year are ready for the trip, but the peak of the migration is in August and September, according to ...