Hummingbirds Are Migrating Now—Here's How toHelpThemonTheir Epic Journeys.Key Takeaways. Hummingbirdsmigrate thousands of miles each fall, with some flying nonstop for over 1,000 miles, fueled by nectar. The Great HummingbirdMigration Is Here – Discover 5 KeyWaystoHelpThemOnTheir 4,000-Mile Journey. From late August, intrepid hummingbirds will travel from Alaska to Mexico. Find out how you can supportmigratinghummingbirdsontheir fascinating journey. The timing of hummingbirdmigrations coincides with the availability of food along their route. These aerial acrobats rely heavily on nectar-rich native plants to fuel theirjourney, making frequent stops to refuel along the way. Hummingbirdsmigrate based on instinct and daylight cues, not food availability. In fact, having a steady supply of nectar can help late-migratingbirds or those that may have started theirjourney late due to weather or other factors. Experts fear the little birds will not have enough natural nectar to keep them nourished for their long migration.But the author of 'Hummingbirds of Texas' says few flowers bloom during a drought so, feeders are essential in providing hummingbirds the nutrition they need to migrate. Migration Route: Over Land — or Water? What happens when migrating Ruby-throated Hummingbirds reach the Gulf of Mexico? Most rubythroats fly nonstop 500 miles or more across the water to Mexico and other Central American countries. “These birds are burning an extraordinary amount of calories during migration,” Raymond explains. “They rely on consistent food sources along the way — backyard feeders can literally be lifesavers.” How toHelp. Feeding hummingbirds is simple and safe Hummingbird Central provides a way for bird watchers to report sightings of the little birds, with its map created from viewer-submitted sightings. They’ll begin theirjourney back south in August or September. How can you attract hummingbirds? If you want to attract and supportthem during their long journey, preparation is key — like setting up feeders and nests where they can rest. These tiny birds rely on nectar and insects to replenish energy spent crossing mountains, deserts and even oceans (for some species). Know About HummingbirdMigration. Birdzfly Hum Feeder. Hummingbirds are key pollinators for many plants during the migration. Their interactions with the flora they visit are vital to the health of ecosystems.