Bald Eagles in Iowa: Where to See Them and How to Identify Them

Where in Iowa are bald eagles most likely to be seen?

Concentrate your efforts along the Mississippi River, especially at Lock and Dam sites like Lock & Dam 11 near Dubuque and Lock & Dam 9 near Guttenberg. Large reservoirs such as Lake Red Rock and Saylorville Reservoir also host significant numbers during winter. Look for eagles perched in tall dead trees (snags) near open water, or soaring along river bluffs. Check the Iowa wildlife page for additional location tips.

What is the best season and time of day to spot bald eagles?

Winter, from December through February, offers the best odds because northern eagles migrate south into Iowa, and open water below dams concentrates fish and therefore eagles. Late morning through early afternoon (10 a.m. to 2 p.m.) is prime, as eagles become more active after warming temperatures. Early spring (March-April) can also be good before nesting pairs settle. For more details on eagle behavior, visit the bald eagle hub.

How can you identify a bald eagle compared to similar species?

Adult bald eagles are unmistakable with their pure white head and tail feathers contrasting with a dark brown body and a large yellow hooked beak. In flight, they hold their broad wings flat like a board. Juveniles are mottled brown and take four to five years to reach adult plumage. Compare to golden eagles, which have fully feathered legs and a smaller head, or turkey vultures, which rock unsteadily and have a smaller wingspan. Red-tailed hawks are much smaller and lack the white head. Learn more at the bald eagle identification page.

See our state animal guide for the next step.

What behavior should you watch for when spotting bald eagles?

Watch for eagles soaring in wide circles, often high overhead, or perched prominently in shoreline trees. They hunt by swooping down to snatch fish from the water with their talons. In winter, you may see groups of eagles congregating below dams to feed on stunned fish. Listen for a weak, high-pitched whistle or chittering calls. For more about Iowa birding, check the state wildlife hub.

When do bald eagles nest in Iowa, and where can you find active nests?

Nesting season begins as early as January, with eggs laid in February and March. Nests are massive structures built in large trees near water. Notable accessible nests exist along the Mississippi River near Lansing and at Rathbun Lake. Look for whitewash on tree trunks and sticks in the branches. Respect closure zones during nesting to avoid disturbance.