Hudsonian Godwit vs Marbled Godwit

In short

Hudsonian Godwits and Marbled Godwits are both large shorebirds with long bills, but they can be distinguished by plumage and bill shape. Hudsonian Godwits have a slightly upturned bill and darker plumage, while Marbled Godwits have a straighter bill and warmer, more marbled tones.

Identification tips

1. Bill Shape: Look for the slightly upturned bill of the Hudsonian Godwit versus the straighter bill of the Marbled Godwit. 2. Plumage: Note the darker plumage and white rump of the Hudsonian Godwit compared to the warmer, marbled tones of the Marbled Godwit. 3. Underwing: Hudsonian Godwits have a distinct white underwing, visible in flight. 4. Habitat: Consider the breeding habitat if observed during the breeding season; Hudsonian Godwits are more likely in subarctic regions, while Marbled Godwits favor prairie wetlands.

Size

Both species are similar in size, but Marbled Godwits are generally slightly larger and bulkier.

Plumage

Hudsonian Godwits have darker, more uniform plumage with a distinct white rump and underwing. Marbled Godwits display warmer, marbled tones and lack the stark white underwing.

Behaviour

Both species exhibit similar feeding behaviors, probing in mudflats and wetlands. During migration, Hudsonian Godwits undertake longer, nonstop flights.

Habitat

Hudsonian Godwits breed in subarctic sedge meadows and muskeg, while Marbled Godwits prefer prairie wetlands. Both can be found in coastal mudflats during migration.

Voice

Vocalizations are not a primary distinguishing feature in the field; both species have similar calls.