Bald Eagles in North Dakota: Where to See Them and How to Identify Them

The Missouri River system is the most reliable place to find bald eagles in North Dakota. Lake Sakakawea, the Garrison Dam tailwaters, and Lake Oahe all hold birds, because the moving water below the dams stays open in winter and keeps fish within reach. Audubon National Wildlife Refuge near Coleharbor hosts nesting pairs, and the Sheyenne National Grassland supports eagles as well. In the colder months, scan the open water below dams and along the Missouri near Bismarck and Mandan, where dozens can gather in a single stretch of river. Cottonwood stands along the shoreline are prime perches, so check the tallest trees first.

Late fall through early spring, roughly November to March, gives you the best odds because northern birds migrate into the state and push the local count up. As lakes and ponds freeze, eagles concentrate at the few places that stay open, which makes them far easier to find. Early morning and late afternoon are the prime hours, since that is when eagles actively hunt and move between roosts and feeding spots. Summer sightings still happen, especially near active nests along major rivers, but the birds are more spread out and harder to predict.

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Adult bald eagles have a pure white head and white tail that contrast sharply with a dark brown body, a field mark you can read from a long distance. Golden eagles are dark overall with golden brown feathers on the nape and a smaller bill, and they favor open country and bluffs more than river edges. In flight, bald eagles hold their wings flat like a board, while turkey vultures soar with wings raised in a shallow V and rock side to side. Juvenile bald eagles are the common source of confusion, since they lack the white head and instead show mottled white patches on the underside of the wings and tail through their first few years. Size helps too, because both eagle species dwarf the red tailed hawks you will also see along the river.

Bald eagles spend long stretches perched in tall trees near water, scanning the surface for fish. They are opportunists, so they scavenge readily and often gather near carcasses or at winter fish kills below the dams. During courtship in late winter and early spring, pairs perform dramatic aerial displays, including a cartwheel where two birds lock talons and tumble toward the ground before breaking apart. In the coldest weeks you might see a dozen or more perched together on river ice or lined up in shoreline cottonwoods, conserving energy between feeding bouts. Eagles also harass other fishing birds to steal a meal, so a sudden chase over the water is worth a closer look.

The Bismarck and Mandan area has several dependable spots. Fort Abraham Lincoln State Park offers Missouri River overlooks, and the bridges and pullouts around the city give clear sightlines to the open water where eagles feed in winter. The Audubon National Wildlife Refuge near Coleharbor has an auto tour route and an observation tower that put you within range of nesting and wintering birds. Lewis and Clark State Park near Williston provides good views over Lake Sakakawea, and the area below Garrison Dam concentrates eagles when the rest of the lake locks up with ice. Bring binoculars or a spotting scope, since the best viewing often keeps a respectful distance from perched birds.