Limnodromus semipalmatus
Subspecies
None.
Other Names
Asiatic Dowitcher, Snipe-billed Godwit.
Identification
A large wader with a straight uni-coloured bill.
Plumage
Non-breeding: The head, and neck are streaked with grey brown on a white base. The top of the head and a line through the eye are darker, whilst there is also a white supercilium. The underparts are white, but breast and flanks but slightly streaked with dark grey. The rest of the upperparts are dark grey, with individual feathers having a thin buff border. The bill is straight, long, black and has a swollen tip. The legs are black.
Breeding:
The crown, nape, most of the neck are a deep chestnut-red. The supercilium is white and there is a dark line through the eye. The rest of the upperparts are dark brown, with individual feathers being fringed with white. The underparts are chestnut-red, though the breast and flanks are finely barred with black. The belly and vent are white, barred with chestnut-red.
Juvenile: Similar to the non-breeding plumage. But feathers on the back are fringed with buff rather than white. There is also buff on the breast and flanks .
Distribution
It occurs mainly in north-western Australia, first being recorded in Darwin in 1971. It is found in the tidal mudflats of the coast and estuaries. Some flocks of over a hundred have been reported. It is a rare visitor to other parts of Australia.
Migratory habits
This species is little known in Australia, but arrives in September and departs in April.
Breeding
The Asian Dowitcher breeds in three distinct areas; central and eastern Siberia, Mongolia and north-eastern China. Its nest are found close to water usually in meadowland.
Status
Regular visitor to the north-west of Australia, but rare in other parts.
East Asian-Australasian Flyway Population: about 23,000.
Confusing Species
Bar-tailed Godwit: Very similar in non-breeding plumage to the dowitcher. The plumage is more streaked. The bicoloured bill is slightly upturned.
Black-tailed Godwit: Very similar to the dowitcherin non-breeding plumage. The plumage is less streaked. The bicoloured bill is straight.