Northern Pintail vs Wandering Whistling-duck
Anas acuta comparado com Dendrocygna arcuata
Side-by-Side Comparison
| Atributo | Northern Pintail | Wandering Whistling-duck |
|---|---|---|
| Nome científico | Anas acuta | Dendrocygna arcuata |
| Ordem | Anseriformes | Anseriformes |
| Família | Anatidae | Anatidae |
| Estado de conservação | Least Concern | Least Concern |
| Comprimento | — | — |
| Envergadura | 51,3 cm (20.2 in) | 37,2 cm (14.6 in) |
| Peso | 912,75 g (32.20 oz) | 779,5 g (27.50 oz) |
| Dieta | Eats molluscs, crustaceans, and aquatic invertebrates; dives in shallow water; diet dominated by hard-shelled benthic … | Eats grasses, sedges, and aquatic plants in tundra; winter diet of coastal salt marsh grasses … |
| Tamanho da postura | 3-12 | 6-15 |
| Population Trend | — | — |
Habitat Comparison
Habitats partilhados
Northern Pintail only
Wandering Whistling-duck only
Nenhum
Northern Pintail
Breeds on shallow prairie wetlands, tundra ponds, and arctic meadows. Winters on coastal estuaries, lagoons, rice paddies, and agricultural fields across Europe, Asia, Africa, and North America. Highly migratory.
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
Northern Pintail
Male produces a low, mellow whistle; female gives a hoarse, nasal quack. The male's soft, flute-like call is one of the most distinctive sounds of northern wetlands in spring.
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
Northern Pintail
Breeds in Arctic Canada, Alaska, and Greenland; winters along the coasts of the North Atlantic from Labrador to West Africa.
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 conservação
Northern Pintail
Wandering Whistling-duck
How to Tell Them Apart
Northern Pintail
Breeding males have chocolate-brown head; white neck stripe extending to breast; gray flanks with long pointed central tail feathers. Females mottled brown with pointed tail and gray bill. Elegant and …
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
Northern Pintail
Um pato esbelto e elegante da família Anatidae, amplamente distribuído no Hemisfério Norte. O Arrabio (Anas acuta) nidifica em prados e pradarias abertas do Ártico e da América do Norte e Eurásia, migrando para o sul durante o inverno. Mede aproximadamente 51-76 cm, com machos maiores que fêmeas. Os machos têm cabeça marrom chocolatada com listra branca no pescoço e longa cauda pontiaguda preta. As fêmeas são discretamente malhadas. Alimenta-se de sementes aquáticas, vegetação e invertebrados. Um dos patos migratórios …
Wandering Whistling-duck
O parreco-vagabundo é um pato assobiadeiro encontrado da Indonésia e Filipinas à Austrália. Tem a coloração castanho-avermelhada típica dos parrecos com flancos largamente barrados de castanho-escuro e branco. Habita zonas húmidas de água doce, incluindo lagos, pântanos e planícies inundadas tropicais. É gregário e frequentemente mistura-se com outras espécies de parrecos. Os bandos podem ser muito numerosos durante as estações não reprodutoras.