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To prepare for the journey, a hummingbird will nearly double its body mass.
Most hummingbirds will leave the state by late September and early October.
Residents can attract hummingbirds by providing flowers, perches, insects, and water.
As the days get shorter and temperatures change, the hummingbirds you enjoy seeing now will head further south.
Now, while it may seem like fall at the moment in Tennessee, we aren't quite there yet. Which means hummingbirds are still fattening themselves up for their migration across the Gulf of Mexico.
"In the fall it flies nonstop across the Gulf of Mexico, a distance of nearly 500 miles and taking 18 to 20 hours under favorable conditions, to winter in southern Mexico or northern Central America," the Tennessee Wildlife Reso