Red-billed Teal vs Wandering Whistling-duck
Anas erythrorhyncha 비교 대상 Dendrocygna arcuata
Side-by-Side Comparison
| 속성 | Red-billed Teal | Wandering Whistling-duck |
|---|---|---|
| 학명 | Anas erythrorhyncha | Dendrocygna arcuata |
| 목 | Anseriformes | Anseriformes |
| 과 | Anatidae | Anatidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 43.0 cm (16.9 in) | 37.2 cm (14.6 in) |
| 체중 | 648.0 g (22.86 oz) | 779.5 g (27.50 oz) |
| 식성 | -- | Eats grasses, sedges, and aquatic plants in tundra; winter diet of coastal salt marsh grasses … |
| 산란 수 | 5-13 | 6-15 |
| Population Trend | — | — |
Habitat Comparison
Red-billed Teal
Freshwater lakes, marshes, pans, and flooded fields across sub-Saharan Africa from Ethiopia and Sudan south to the Cape. Nomadic; follows seasonal flooding. Very tolerant of saline conditions.
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
Red-billed Teal
Female produces a loud, nasal quacking series; male gives a soft, nasal grunt. Both sexes call with emphatic, honking quacks that carry across African open wetlands and dams.
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
Red-billed Teal
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
Red-billed Teal
Wandering Whistling-duck
How to Tell Them Apart
Red-billed Teal
Diagnostic bright pink-red bill with dark ridge contrasting with dark brown cap. Body brown, finely scalloped. White sides of face. Pale buff-white speculum with dark border. Sexes similar. Sub-Saharan Africa.
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
Red-billed Teal
붉은부리 오리는 사하라 이남 아프리카 전역에 분포하며, 얕은 호수와 습지를 선호합니다. 이름에서 알 수 있듯이 밝은 붉은색 부리가 특징이며, 갈색 반점이 있는 몸통과 대비를 이룹니다.
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.