This bird is abundant both at the West and along the coast, but on the fresh water it frequents the mud-holes and shallow marshes, in contradistinction to the open water-ducks that affect the broad unbroken stretches of water.
Black Duck.
Dusky Duck.
Anas Obscura, Wils.
Specific Character.—General plumage dusky; speculum green, reflecting purple, bordered with black; secondaries tipped with white. Adult with the forehead, crown, occiput, and middle space on the hind neck brownish-black, the feathers slightly margined with greyish-brown; cheeks, loral space, and sides of the neck dusky grey, streaked with black; throat reddish-brown; general plumage dusky, lighter beneath; under wing-coverts white; speculum brilliant green; bill yellowish; feet reddish-orange. Female rather smaller, plumage lighter, speculum less brilliant. Length of male about two feet; wing eleven inches.
These ducks are killed equally in the fresh and salt waters; they come to the decoys warily.
Gadwall.
Welsh Drake, German Duck.
Anas Strepera, Wils.
Specific Character.—Speculum white; secondary coverts black; upper wing-coverts chestnut red; general plumage dusky grey, waved with white; abdomen white. Adult with the bill bluish-black; head and upper part of the neck grey, streaked with dusky—darkest on the upper part of the head, as well as the middle space on the hind neck; lower neck, upper part of the breast and fore part of the back blackish-brown, the feathers marked with semicircular bands of white, more distinctly on the fore part of the neck and upper part of the breast; sides of the body pencilled with greyish-white and dusky; lower part of the breast and abdomen white, the latter barred with dusky towards the vent; lower and upper tail-coverts and sides of the rump greenish-black; tail greyish-brown, margined with white; hind part of the back dark brown, faintly barred with white; primaries brown; secondaries greyish-brown, tipped with white; middle coverts reddish-brown; a few of the outer secondaries broadly margined with greenish-black; inner scapulars brown, broadly margined with dull yellowish-brown; outer undulated with dark brown and yellowish-white; feet dull orange. Female two inches shorter; about four inches less in extent. Length twenty-one inches and a half; wing eleven.