Brazilian Teal vs Wandering Whistling-duck
Amazonetta brasiliensis 비교 대상 Dendrocygna arcuata
Side-by-Side Comparison
| 속성 | Brazilian Teal | Wandering Whistling-duck |
|---|---|---|
| 학명 | Amazonetta brasiliensis | Dendrocygna arcuata |
| 목 | Anseriformes | Anseriformes |
| 과 | Anatidae | Anatidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 36.1 cm (14.2 in) | 37.2 cm (14.6 in) |
| 체중 | 468.0 g (16.51 oz) | 779.5 g (27.50 oz) |
| 식성 | Dabbles for aquatic invertebrates and seeds; diet shifts toward plant material outside breeding season; forages … | Eats grasses, sedges, and aquatic plants in tundra; winter diet of coastal salt marsh grasses … |
| 산란 수 | 6-11 | 6-15 |
| Population Trend | — | — |
Habitat Comparison
Brazilian Teal
Freshwater lakes, marshes, rivers, flooded forest, and rice paddies across tropical and subtropical South America from Colombia and Venezuela south to northern Argentina. Tolerates natural and agricultural wetlands.
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
Brazilian Teal
Male produces a nasal, whistled wheee-oh note; female gives a short, sharp quack. Pairs call back and forth with clear whistled exchanges along Amazonian rivers.
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
Brazilian Teal
Breeds in Eurasia and winters in tropical regions from Africa to Southeast Asia. Migratory over broad fronts.
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
Brazilian Teal
Wandering Whistling-duck
How to Tell Them Apart
Brazilian Teal
Males have red bill and legs; brown body with dark brown back, gray head, buff-white face, and dark crown. Females have pale supercilium and paler face. Both show iridescent green …
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
Brazilian Teal
갈색 깃털, 붉은 부리와 발, 수컷의 특징적인 분청색 날개를 가진 작고 단단한 청둥오리. 남미 아마존 유역과 라플라타 강 하류 유역의 강가 삼림과 습지에 서식한다.
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.