Madagascar Teal vs Spotted Whistling-duck
Anas bernieri 비교 대상 Dendrocygna guttata
Side-by-Side Comparison
| 속성 | Madagascar Teal | Spotted Whistling-duck |
|---|---|---|
| 학명 | Anas bernieri | Dendrocygna guttata |
| 목 | Anseriformes | Anseriformes |
| 과 | Anatidae | Anatidae |
| 보전 상태 | Endangered | Least Concern |
| 체장 | — | — |
| 날개 폭 | 38.9 cm (15.3 in) | 41.3 cm (16.3 in) |
| 체중 | 365.0 g (12.88 oz) | 677.5 g (23.90 oz) |
| 식성 | Dives for molluscs, crustaceans, and aquatic invertebrates; diet dominated by hard-shelled benthic invertebrates year-round. | Primarily herbivorous; grazes tundra grasses and sedges; winters on coastal marshes and farmland, switching to … |
| 산란 수 | 2-10 | 10-11 |
| Population Trend | — | — |
Habitat Comparison
Madagascar Teal
Mangroves, coastal lagoons, freshwater lakes, and rivers of western Madagascar. Endangered; restricted to small fragmented wetland areas. Nests in mangrove cavities or tree holes near water.
Spotted Whistling-duck
Freshwater wetlands, rice fields, streams, and forest pools in New Guinea, Sulawesi, the Philippines, and Moluccas. Often found near forested rivers and seasonal swamps at low elevations.
Song & Call Comparison
Madagascar Teal
Female gives a nasal, quacking series; male utters a soft whistle. Extremely rare; calls resemble Grey Teal but slightly softer; heard only in restricted Malagasy freshwater habitat.
Spotted Whistling-duck
A musical, high whistle similar to other whistling-ducks. Call is softer and less far-carrying than White-faced or Black-bellied species. Given in flight and on water.
Geographic Range & Migration
Madagascar Teal
Breeds across northern and central North America; winters in the southern United States, Mexico, and Caribbean.
Spotted Whistling-duck
Ranges widely across sub-Saharan Africa in open woodland and savanna. Largely sedentary with local seasonal movements to water.
보전 상태
Madagascar Teal
Spotted Whistling-duck
How to Tell Them Apart
Madagascar Teal
Plain warm brown plumage with faint spotting; head slightly paler buff-brown. Orange-pink bill. Dull reddish-brown speculum. Orange legs. Sexes similar. Endangered Madagascar endemic; mangrove and coastal wetland specialist.
Spotted Whistling-duck
Dark brown above; head and neck dark brown. Underparts heavily spotted white on dark brown ground, giving spotted appearance. Flanks with bold white spots. Pink-red bill and legs. Sexes similar.
About These Birds
Madagascar Teal
섬세한 반점 깃털, 붉은 눈, 파란-초록 날개를 가진 작은 갈색 청둥오리. 마다가스카르 고유종. 위기 취약 종.
Spotted Whistling-duck
옆구리에 굵은 흰 반점, 주황-붉은 부리와 다리, 엷은 얼굴을 가진 소형 어두운 갈색 홍따오기. 뉴기니·필리핀·인도네시아의 열대 습지에 서식. 종종 담수 개울과 침수 초원 근처에서 발견. 다른 홍따오기보다 덜 사회적.