American Black Duck vs Maccoa Duck
Anas rubripes comparado con Oxyura maccoa
Side-by-Side Comparison
| Atributo | American Black Duck | Maccoa Duck |
|---|---|---|
| Nombre científico | Anas rubripes | Oxyura maccoa |
| Orden | Anseriformes | Anseriformes |
| Familia | Anatidae | Anatidae |
| Estado de conservación | Least Concern | Endangered |
| Longitud | — | — |
| Envergadura | 53,4 cm (21.0 in) | 31,3 cm (12.3 in) |
| Peso | 1211,25 g (42.73 oz) | 685,3333333333334 g (24.17 oz) |
| Dieta | Eats fish and aquatic invertebrates; dives in coastal and freshwater habitats; diet shifts toward molluscs … | Dives for aquatic invertebrates and plant seeds in African lakes and marshes. Uses lobed feet … |
| Tamaño de la puesta | 1-17 | 4-12 |
| Population Trend | — | — |
Habitat Comparison
Hábitats compartidos
American Black Duck only
Maccoa Duck only
Ninguno
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
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.
Maccoa Duck
Male emits a rapid, staccato drumming display; female gives a harsh, emphatic quack. The drumming call is powerful and diagnostic; this endangered southern African stiff-tail displays at dawn.
Geographic Range & Migration
American Black Duck
Breeds in the steppe zone of Central Asia; winters in South Asia, East Africa, and coastal Southeast Asia.
Maccoa Duck
Resident in eastern and southern Africa from Ethiopia and Kenya south to the Cape. Found on lakes and marshes with dense aquatic vegetation.
Estado de conservación
American Black Duck
Maccoa Duck
How to Tell Them Apart
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 …
Maccoa Duck
Male has glossy black head, deep chestnut-red body, and vivid sky-blue bill; stiff tail often cocked. Female is dark brown above with streaked buff below and two pale facial stripes …
About These Birds
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.
Maccoa Duck
El pato maccoa es un pato de cola tiesa de África oriental y meridional con el macho de llamativo pico azul brillante y cabeza y cuello de color negro intenso. Habita en lagos y pantanos de agua salobre y dulce, especialmente ricos en algas y zooplancton. La hembra es de color marrón oscuro con rayas faciales. Está clasificado como vulnerable.