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Spring Migration Along the Mississippi River Flyway

Last Updated 12/30/2025 • Posted in Birdwatching

Each spring, the Mississippi River becomes a living highway in the sky. Millions of birds travel north along the Mississippi River Flyway, stopping to rest, feed, and refuel as they follow the river’s winding path. Situated on a peninsula along the river, Nauvoo, Illinois is perfectly positioned to experience this seasonal movement, making spring one of the most exciting times of year for birdwatching.

Why the Mississippi River Matters to Birds

The Mississippi River Flyway is one of North America’s most important migration routes. The river provides what migrating birds need most: open water, wetlands, food, and shelter. In spring, melting ice and rising water levels create ideal conditions for birds to pause before continuing north. For many species, Nauvoo is not just a scenic stop—it is a critical resting place on a long journey.

What birds you might see in Spring

Waterfowl and Water Birds

As winter fades, the river fills with ducks and large water birds, including:

Mallards, teal, pintails, and shovelers
Gadwall and American wigeon
Canvasbacks, redheads, ring-necked ducks, and scaup
Common goldeneye and bufflehead
Common and hooded mergansers
American white pelicans
Tundra swans and Canada geese
Great blue herons and great egrets

These birds can often be seen resting on the water or lifting off in dramatic flocks.

Raptors and Large Soaring Birds

Spring also marks the return of raptors following warming air currents:

Bald eagles, often visible fishing or soaring above the river
Ospreys arriving to hunt fish
Red-tailed hawks and kestrels using thermals along the bluffs
Turkey vultures gliding overhead

Song Birds and Colorful Migrants

As trees begin to leaf out, smaller birds arrive in waves:

Baltimore orioles and rose-breasted grosbeaks
Indigo buntings and summer tanagers
Warblers moving quickly through trees and shrubs
Ruby-throated hummingbirds returning to yards and gardens

Best Places to Watch Spring Migration in Nauvoo

Nauvoo Riverwalk
The Riverwalk offers front-row views of the Mississippi River and is ideal for watching waterfowl, pelicans, herons, and passing raptors. Each visit can feel different as new birds arrive daily.

Parley Street Eagle Area
At the end of Parley Street, visitors may spot bald eagles, including a nesting pair. Spring is an active time, with adults flying frequently as they tend their nest and hunt for fish.

Scenic River Turnout Overlooks
Elevated turnout spots along the river bluffs allow visitors to scan wide stretches of river and wetlands. These overlooks are excellent for spotting large flocks of ducks, swans, and soaring birds of prey.

Wetland Preserve at the South End of Town
The wetland preserve provides a quiet resting place for migrating waterfowl and wading birds. Early morning is especially rewarding as birds feed and move between wetlands and the river.

A Season of Movement and Renewal

Spring migration along the Mississippi River Flyway is a reminder that Nauvoo is part of something much larger—a seasonal journey that spans continents. From flocks of waterfowl rising from the river to colorful songbirds passing through town, spring brings constant motion and discovery. A walk along the river or a quiet moment at an overlook is often all it takes to witness this remarkable natural event.