Amur Falcon vs Sooty Falcon

In short

The Amur Falcon and Sooty Falcon are both small, migratory falcons with similar shapes, but they can be distinguished by plumage and habitat preferences. The Amur Falcon typically shows a more contrasting plumage with distinct white underparts, while the Sooty Falcon is more uniformly gray. Observing their habitats can also help, as Amur Falcons are often found in open grasslands, whereas Sooty Falcons prefer arid, rocky areas.

Identification tips

• Look for the white underparts of the Amur Falcon compared to the uniform gray of the Sooty Falcon.
• Consider the habitat: Amur Falcons are more likely in open grasslands, while Sooty Falcons prefer rocky, arid areas.
• During migration, Amur Falcons often form large flocks, which is less common for Sooty Falcons.

Size

Both species are similar in size, with no significant differences in overall body length or wingspan that are easily noticeable in the field.

Plumage

The Amur Falcon has a more contrasting plumage with white underparts and a darker head and back, while the Sooty Falcon is uniformly gray with less contrast. This difference is most noticeable when the birds are perched.

Behaviour

Both species exhibit similar hunting behaviors, often seen hovering or gliding in search of prey. However, Amur Falcons are more likely to be seen in large flocks during migration.

Habitat

Amur Falcons are typically found in open grasslands and agricultural areas during migration, whereas Sooty Falcons prefer arid, rocky environments and coastal areas.

Voice

There is limited information on vocal differences, but both species are generally quiet outside of breeding season, with occasional calls that are not easily distinguishable in the field.