Mexican Duck vs Wandering Whistling-duck
Anas diazi comparado con Dendrocygna arcuata
Side-by-Side Comparison
| Atributo | Mexican Duck | Wandering Whistling-duck |
|---|---|---|
| Nombre científico | Anas diazi | Dendrocygna arcuata |
| Orden | Anseriformes | Anseriformes |
| Familia | Anatidae | Anatidae |
| Estado de conservación | Not Evaluated | Least Concern |
| Longitud | — | — |
| Envergadura | — | 37,2 cm (14.6 in) |
| Peso | 1003,75 g (35.41 oz) | 779,5 g (27.50 oz) |
| Dieta | Eats fish, molluscs, and aquatic invertebrates; dives in fresh and salt water; diet shifts between … | Eats grasses, sedges, and aquatic plants in tundra; winter diet of coastal salt marsh grasses … |
| Tamaño de la puesta | 1-13 | 6-15 |
| Population Trend | — | — |
Habitat Comparison
Hábitats compartidos
Mexican Duck only
Wandering Whistling-duck only
Ninguno
Mexican Duck
Freshwater lakes, marshes, and rivers at 1,000–2,500 m in the highlands of Mexico and the southwestern United States. Uses agricultural ponds and irrigation canals.
Wandering Whistling-duck
Tropical freshwater marshes, flooded grasslands, swamps, and lake margins from the Philippines and Indonesia through Papua New Guinea to northern and eastern Australia. Nomadic following wet season flooding.
Song & Call Comparison
Mexican Duck
Female gives a Mallard-like, descending quacking series; male utters a soft, nasal grunt. Vocalizations essentially identical to Mallard; found in Mexican interior wetlands and the Rio Grande.
Wandering Whistling-duck
A soft whistle 'whi-whi-whi' in flight. Less vocal than other whistling-ducks; flocks tend to be quieter. Given at dawn and dusk during flight to roosting or feeding areas.
Geographic Range & Migration
Mexican Duck
Breeds in central and eastern Siberia; winters in East Asia, Southeast Asia, and the East African coast.
Wandering Whistling-duck
Breeds in Arctic and subarctic regions; winters at sea around the Antarctic pack ice, one of the longest migrations known.
Estado de conservación
Mexican Duck
Wandering Whistling-duck
How to Tell Them Apart
Mexican Duck
Similar to Mottled Duck; mottled brown plumage with pale buff head showing dark crown and eye stripe. Iridescent blue-purple speculum with white borders. Yellow-orange bill. Both sexes similar. SW USA …
Wandering Whistling-duck
Rich chestnut-brown head and neck; dark brown back. Flanks rufous with pale buff streaks and dark spots. Belly blackish. Long, dark pinkish legs. Upright posture typical of whistling-ducks. Sexes similar.
About These Birds
Mexican Duck
El pato mexicano, también conocido como pato de México, es un pato de tamaño mediano que habita en humedales y ríos de la meseta central de México y el suroeste de Estados Unidos. Muy similar al pato de collar, fue durante mucho tiempo considerado una subespecie del mismo; los machos presentan un plumaje marrón moteado sin la cabeza verde brillante característica del pato de collar.
Wandering Whistling-duck
El pato silbador vagabundo es un pato silbador de distribución amplia en las regiones tropicales de Asia y el Pacífico, desde Borneo e Indonesia hasta Nueva Guinea y Australia. Tiene plumaje castaño con blanco y negro en los flancos. Habita en humedales tropicales, pantanos, lagunas, estanques y arrozales. Es una especie nómada que sigue las lluvias en busca de humedales.