How to Identify Eagle in Maryland

Bald Eagles are massive raptors, among the largest birds in North America. Adults measure 28 to 40 inches long with a wingspan of 6.5 to 7.5 feet, making them substantially larger than most hawks and nearly as large as some eagles' distant cousins the vultures. Their size alone is often the first clue when spotting one perched or soaring. Females are significantly larger than males, sometimes by 25 percent or more.

Adult Bald Eagles are unmistakable. They have a dark brown to black body and wings, a brilliant white head and neck, and a white tail. The sharp yellow beak is thick and powerful, suited for tearing prey. Eyes are large and amber-yellow. Talons are also yellow. This striking contrast between the dark body and white head makes adults instantly recognizable from considerable distances, whether perched in a tree or soaring overhead.

Immature Bald Eagles lack the white head and tail and can be mistaken for other large birds or raptors. Juveniles and subadults display an overall dark brown plumage with pale markings on the underwings and varying amounts of white on the head, neck, body, and tail as they mature. The transition to full adult plumage takes four to five years. Spotting young eagles requires familiarity with the intermediate plumage stages and careful attention to size and silhouette.

Golden Eagles are rare winter visitors to Maryland and can be confused with Bald Eagles. Adult Goldens have an all-dark body including the head, with a golden-bronze crown and nape. They lack the white head of adult Bald Eagles. Golden Eagles also appear slightly sleeker and more compact. Goldens hunt in open country and foothills more often than Bald Eagles, which are tied to water. If you spot a large dark eagle without a white head in Maryland, it is most likely an immature Bald Eagle rather than a Golden Eagle, given how rare Goldens are in the state.

In flight, adult Bald Eagles show dark wings contrasting sharply with a white head, neck, and tail. The wings are held fairly flat or in a slight dihedral, not raised in a V-shape as some other raptors do. When soaring at a distance, the white head and tail are visible as bright spots against the dark body. Immature birds soaring overhead show a mottled brown appearance overall, with variable pale patches on the underwings and undertail coverts, gradually gaining white as they age.

Bald Eagles produce a variety of calls, though they are often quieter than expected for such large birds. Their vocalizations include a high, piercing whistle and various chirps, especially during breeding season or when competing for food. In Maryland, you are more likely to see an eagle than hear one unless you approach a nest or feeding site. Their behavior is distinctive: they perch prominently in tall trees near water, soar slowly and deliberately, and dive steeply to snatch fish from water surfaces. They often return to the same perch after feeding.

Bald Eagles are larger and heavier than any hawk species found in Maryland, with proportionally longer, broader wings and a thick, heavy beak. Turkey Vultures, which are common and soar in large circles, have a smaller head relative to body size, a two-toned wing pattern (dark flight feathers, pale coverts), and a weak feet that cannot grasp prey. Red-tailed Hawks, the most common large raptor, are much smaller than eagles, with a shorter wingspan and a different silhouette. A bird's overall size, head shape, and beak thickness are reliable separators.

Bald Eagles are present in Maryland year-round. Their numbers peak in winter, from November through February, when eagles from northern regions migrate south seeking open water for fishing. Chesapeake Bay, Patuxent River, and other refuges listed on the trunk Maryland eagles page become eagle hotspots during the coldest months. Spring and summer see smaller populations, as breeding birds remain at northern nesting grounds and most local pairs that bred or wintered in Maryland disperse.

Scan open water and the tall trees immediately adjacent to rivers, bays, lakes, and large reservoirs. Eagles prefer dead or mature trees that offer a clear view of the water and an unobstructed launch path for takeoff. Look for the silhouette of a large bird perched on a high, exposed branch, especially in winter. Use binoculars or a spotting scope to confirm details from a distance to avoid flushing the bird. Early morning and late afternoon often provide the best light and eagle activity near water.