Greater Spotted Eagle vs Booted Eagle

In short

The Greater Spotted Eagle is generally larger and bulkier than the Booted Eagle, with broader wings and a more robust build. The Booted Eagle is more slender with narrower wings and a distinctive pale underwing panel in its light morph. These structural differences are the most reliable field marks.

Identification tips

1. Look for the Greater Spotted Eagle's larger size and broader wings. 2. Note the Booted Eagle's slender build and, in light morphs, the pale underwing panel. 3. Consider habitat: Greater Spotted Eagles are more likely in wetlands, while Booted Eagles are more versatile in habitat choice. 4. Observe flight style: Greater Spotted Eagles have a slower, more deliberate flight.

Size

The Greater Spotted Eagle is larger and more robust, while the Booted Eagle is smaller and more slender.

Plumage

Greater Spotted Eagles have a uniform dark brown plumage with faint pale spots on the upperparts. Booted Eagles show more variation, with a light morph displaying a pale underwing panel and a dark morph that is uniformly dark but still slimmer in appearance.

Behaviour

Both species soar on thermals, but the Greater Spotted Eagle tends to have a slower, more deliberate flight due to its larger size.

Habitat

Greater Spotted Eagles prefer wetland areas and floodplains, while Booted Eagles are more adaptable, found in a variety of habitats including open woodlands and mountainous regions.

Voice

Vocalizations are not a reliable field mark as both species are generally silent outside the breeding season.