Yellow-billed Teal vs American Black Duck
Anas flavirostris comparado con Anas rubripes
Side-by-Side Comparison
| Atributo | Yellow-billed Teal | American Black Duck |
|---|---|---|
| Nombre científico | Anas flavirostris | Anas rubripes |
| Orden | Anseriformes | Anseriformes |
| Familia | Anatidae | Anatidae |
| Estado de conservación | Least Concern | Least Concern |
| Longitud | — | — |
| Envergadura | 38,2 cm (15.0 in) | 53,4 cm (21.0 in) |
| Peso | 609,0 g (21.48 oz) | 1211,25 g (42.73 oz) |
| Dieta | -- | -- |
| Tamaño de la puesta | 5-13 | 1-17 |
| Population Trend | — | — |
Habitat Comparison
Hábitats compartidos
Yellow-billed Teal only
American Black Duck only
Yellow-billed Teal
Freshwater lakes, marshes, rivers, and bogs from sea level to 4,500 m across South America from Colombia and Venezuela south to Tierra del Fuego. Common at high-altitude Andean lakes and puna wetlands.
American Black Duck
Freshwater and brackish wetlands in eastern North America from Atlantic Canada south along the coast to Georgia. Breeds in northern bogs and wetlands. Winters on coastal marshes, estuaries, and freshwater lakes.
Song & Call Comparison
Yellow-billed Teal
Male utters a high-pitched, clear whistle; female gives a soft, muffled quack. Quiet calls suit the high-altitude Andean wetlands where this teal forages in shallow freshwater.
American Black Duck
Female produces a loud, deep quacking series; male gives a low, raspy grunt. Voice is deeper and huskier than a Mallard; pairs call powerfully across northeastern North American wetlands.
Estado de conservación
Yellow-billed Teal
American Black Duck
How to Tell Them Apart
Yellow-billed Teal
Brownish-gray body finely mottled with dark spots. Diagnostic bright yellow bill with dark culmen stripe. Speculum iridescent green. Head grayish-brown, slightly darker crown. Sexes similar. Andean and Patagonian lakes.
American Black Duck
Sooty dark brown body; head and neck paler buff with dark streaking. Iridescent purple speculum without white border. Males have yellow-green bill; females olive with orange blotches. Silvery underwings in …
About These Birds
Yellow-billed Teal
El pato barcino es una cerceta pequeña y común ampliamente distribuida por América del Sur, desde Colombia y Venezuela hasta Tierra del Fuego. Tiene plumaje marrón moteado con un espéculo alar verde brillante y el pico de color amarillo-anaranjado. Es un habitante ubicuo de los humedales sudamericanos, encontrándose en lagunas, ríos, arroyos y pantanos.
American Black Duck
El pato negro americano es un gran pato de color marrón muy oscuro con una cabeza más clara y un llamativo espéculo alar púrpura. Habita en humedales del este de Norteamérica y se está hibridando cada vez más con el pato de collar introducido en su rango, lo que representa una amenaza para su pureza genética. Prefiere marismas costeras, pantanos boscosos y lagos tranquilos.