Tachyeres brachypterus

The Falkland Steamerduck (Tachyeres brachypterus) is a social duck of the family Anatidae.

Short-winged boat ducks feed mainly on animal foods such as crustaceans, mollusks, shrimp and small fish. Small groups of a few to more than 20 often feed in shallow water and on the surface of the water.

They breed on the edges of lakes, rivers, ponds, and marshes in September-October. The combination of pairs is more fixed. Mating takes place in water or on the ground. Nests are built in grass or bushes near water, or in rock crevices or sandy slopes. The nest consists of a small amount of dead grass and a large amount of down feathers, which the female ducks use to line the nest with plants. After laying eggs, she plucks a large amount of down feathers from herself and places them in the nest. 5-10 eggs are laid per nest. After the eggs are laid, the eggs begin to incubate, and the female ducks bear the responsibility alone, the male ducks guard near the nest, and call loudly to warn when in danger. The incubation period is 27-30 days, and the young ducks become sexual early, and after hatching, they are covered with feather, and can swim and dive. Sexual maturity at 2 ages.

Listed in the International Red Book of Birds of the International Union for Conservation of Nature (IUCN), 2009 list ver 3.1.

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The short-winged boat duck is found in the Falkland Islands (Malvinas Islands), located in the South Atlantic waters east of the southern tip of Argentina, more than 500 km to the west of Argentina.
Inhabits the coastline of the Falkland Islands, along steep cliffs, seaside beaches and saltwater lakes.

The short winged boat duck is 65 cm long and is a flightless water duck. When floating on the water surface, the round wings swing like the paddles of the boat when skiing, so the name "boat duck". The male duck has a white head and neck with a few brown and brown feathers. The bill and legs of the duck are yellow, the upper body, breast and wings are varying shades of dark brown with light spots, the belly to the rump is white, the iris is black, the eye circles are white, and the wings have white wing mirrors. The female duck is different in that the bill is black.