Southern Pintail vs Wandering Whistling-duck
Anas eatoni 비교 대상 Dendrocygna arcuata
Side-by-Side Comparison
| 속성 | Southern Pintail | Wandering Whistling-duck |
|---|---|---|
| 학명 | Anas eatoni | Dendrocygna arcuata |
| 목 | Anseriformes | Anseriformes |
| 과 | Anatidae | Anatidae |
| 보전 상태 | Vulnerable | Least Concern |
| 체장 | — | — |
| 날개 폭 | 40.6 cm (16.0 in) | 37.2 cm (14.6 in) |
| 체중 | 497.0 g (17.53 oz) | 779.5 g (27.50 oz) |
| 식성 | Dives for molluscs, crustaceans, and aquatic invertebrates; eats hard-shelled prey; diet shifts between freshwater and … | Eats grasses, sedges, and aquatic plants in tundra; winter diet of coastal salt marsh grasses … |
| 산란 수 | 2-6 | 6-15 |
| Population Trend | — | — |
Habitat Comparison
Southern Pintail
Restricted to the sub-Antarctic Kerguelen and Crozet archipelagos. Inhabits freshwater streams, ponds, and coastal wetlands. Largely terrestrial for a duck; forages on land among tussock grasses.
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
Southern Pintail
Female produces a quiet, nasal quacking; male gives a soft whistle. Subdued vocalizations suit this sub-Antarctic island duck; calls are seldom heard and rarely documented.
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
Southern Pintail
Breeds in Iceland and high-Arctic Norway; winters on the coasts of northwestern Europe and the British Isles.
Wandering Whistling-duck
Breeds in Arctic and subarctic regions; winters at sea around the Antarctic pack ice, one of the longest migrations known.
보전 상태
Southern Pintail
Wandering Whistling-duck
How to Tell Them Apart
Southern Pintail
Brown, mottled plumage; head brown with pale cheeks. Pointed tail; males slightly longer-tailed. Grayish bill. Speculum bronze-green. Sexes similar with modest dimorphism. Subantarctic island endemic; two subspecies.
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
Southern Pintail
이튼 오리 또는 케르겔렌 오리라고도 불리는 이 종은 남인도양의 케르겔렌 제도와 크로제 제도에 서식하는 소형 오리입니다. 갈색 깃털과 짧은 날개를 가지고 있으며, 비행 능력이 매우 제한되어 있습니다.
Wandering Whistling-duck
황갈색-갈색 몸통, 어두운 갈색 등, 엷은 황갈색 아랫면, 밤색 목깃을 가진 중형 홍따오기. 인도네시아에서 호주·태평양 섬까지 열대 습지에 서식. 매우 사회적이고 유목성. 얕은 담수에서 수면 채이기와 잠수로 채이며 먹이를 구한다.