Anas americana Gmelin, 1789, Lousinana and New York. Monotypic.
OTHER COMMON NAMES
English: Baldpate; French: Canard d’Amйrique; German: Nordamerikanische Pfeifente; Spanish: Silbуn Americano.
17.7–22.1 in (45–56 cm); 1.5–1.7 lb (680–770 g). Male has dark green band along side of head.
Western and Central North America; some populations breed from New Brunswick south to Massachusets. Winter from Alaska south to Central America, Gulf and Atlantic coasts.
Shallow lakes and open wetlands surrounded by meadows or agricultural lands; during winter mostly in coastal wetlands.
Territorial during the early breeding season. Paired males swim ‘in tandem’ with lone intruding males. Migratory.
FEEDING ECOLOGY AND DIET
Vegetarian, feeds by walking, wading, or swimming in shallow water.
Seasonally monogamous until midincubation. Breeding begins Apr.–May. Lays 4–8 eggs into a concealed shallow depression; incubation 23–25 days; fledging c. 37–48 days. Becomes sexually mature at 1–2; years.
Not threatened. Locally abundant. Critical habitats protected.
SIGNIFICANCE TO HUMANS
Hunted for sport and food.
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