Anas
- Northern pintail Anas acuta
A slender, long-necked duck. In breeding males the central tail feathers become especially long.
- Andaman Teal Anas albogularis
Endemic to the Andaman Islands, this teal is greyish-brown with a white eye-ring and throat. It has been observed in coastal wetlands near Port Blair.
- Andean Teal Anas andium
A small duck of high Andean lakes and wetlands, it has finely spotted gray-brown plumage and feeds close to the water surface.
- Auckland Islands Teal Anas aucklandica
The Auckland Island teal is a flightless duck found only in the Auckland Islands south of New Zealand. Both sexes are brown, with differences in plumage.
- White-cheeked Pintail Anas bahamensis
The White-cheeked Pintail is a duck with conspicuous white cheeks and orange at the base of its bill. It uses coastal lagoons and mangroves.
- Bernier's Teal Anas bernieri
Bernier’s Teal is a duck of brackish lakes and wetlands in western Madagascar. It forms pairs in the breeding season and small groups at other times.
- Cape Teal Anas capensis
This African duck has a grey body and a reddish bill. It moves in response to changes in rainfall and water levels, and feeds on small aquatic animals and plants in shallow waters.
- Green-winged Teal Anas carolinensis
The Green-winged Teal is a small North American duck, notable for the green stripe on the male's head. It feeds near the water's surface and moves between breeding and wintering areas with the seasons.
- Chestnut Teal Anas castanea
In breeding plumage, the male has a chestnut head and neck with a green sheen on the crown, while the female is mottled brown. The species searches shallow water in Australian wetlands and estuaries.
- Brown Teal Anas chlorotis
The Brown Teal is endemic to New Zealand. Breeding males show a green sheen on the head and a dark chestnut breast; the species is now mostly restricted to the northern North Island.
- Eurasian teal Anas crecca
A small duck seen on Japanese waters in winter. Breeding males have a chestnut head with a dark green band around the eye.
- Mexican Duck Anas diazi
The Mexican Duck is found mainly in Mexico. It uses temporary wetlands during the rainy season and agricultural areas around water in the dry season.
- Eurasian teal Anas crecca
A small duck seen on Japanese waters in winter. Breeding males have a chestnut head with a dark green band around the eye.
- Northern pintail Anas acuta
A slender, long-necked duck. In breeding males the central tail feathers become especially long.
- Mallard Anas platyrhynchos
A duck that tips forward to find food in ponds and wetlands. A male’s bright appearance changes with the season to a browner, female-like plumage.
- American Black Duck Anas rubripes
A duck of shallow wetlands in eastern North America. It is dark brown overall and can be hard to distinguish among Mallards.
- Gray Duck Anas superciliosa
This dabbling duck has cream and black facial stripes and a green patch on the wing.
- Red-billed Teal Anas erythrorhyncha
A duck distributed in eastern and southern Africa. It uses shallow freshwater wetlands with vegetation; the male’s bill becomes redder during breeding, according to the regional account.
- Cape Teal Anas capensis
This African duck has a grey body and a reddish bill. It moves in response to changes in rainfall and water levels, and feeds on small aquatic animals and plants in shallow waters.
- White-cheeked Pintail Anas bahamensis
The White-cheeked Pintail is a duck with conspicuous white cheeks and orange at the base of its bill. It uses coastal lagoons and mangroves.
- Auckland Islands Teal Anas aucklandica
The Auckland Island teal is a flightless duck found only in the Auckland Islands south of New Zealand. Both sexes are brown, with differences in plumage.
- Green-winged Teal Anas carolinensis
The Green-winged Teal is a small North American duck, notable for the green stripe on the male's head. It feeds near the water's surface and moves between breeding and wintering areas with the seasons.
- Campbell Islands Teal Anas nesiotis
A small duck of islands south of New Zealand, Campbell Island Teal is wary and mainly active at night.
- Gray Teal Anas gracilis
The Gray Teal is a small duck found in Australia and nearby islands. It uses wetlands and can nest in tree hollows.