Eastern Spot-billed Duck vs Spotted Whistling-duck
Anas zonorhyncha 비교 대상 Dendrocygna guttata
Side-by-Side Comparison
| 속성 | Eastern Spot-billed Duck | Spotted Whistling-duck |
|---|---|---|
| 학명 | Anas zonorhyncha | Dendrocygna guttata |
| 목 | Anseriformes | Anseriformes |
| 과 | Anatidae | Anatidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 53.6 cm (21.1 in) | 41.3 cm (16.3 in) |
| 체중 | 1017.5 g (35.89 oz) | 677.5 g (23.90 oz) |
| 식성 | Eats fish, aquatic invertebrates, and amphibians; dives in freshwater rivers; serrated bill grips prey; fish … | Primarily herbivorous; grazes tundra grasses and sedges; winters on coastal marshes and farmland, switching to … |
| 산란 수 | 7-9 | 10-11 |
| Population Trend | — | — |
Habitat Comparison
공유 서식지
Eastern Spot-billed Duck only
없음
Spotted Whistling-duck only
Eastern Spot-billed Duck
Freshwater lakes, rivers, marshes, and rice paddies in northeastern Asia from eastern Russia and Siberia through China, Korea, and Japan. Winters in southern China and southern Japan.
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
Eastern Spot-billed Duck
Female produces a loud, descending quacking series; male gives a low, nasal grunt. Vocalizations closely resemble the Indian Spot-billed Duck; pairs call antiphonally on East Asian wetlands.
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
Eastern Spot-billed Duck
Found in wetlands across Southeast Asia, from India to China, Vietnam, and Indonesia. Largely resident; local seasonal movements.
Spotted Whistling-duck
Ranges widely across sub-Saharan Africa in open woodland and savanna. Largely sedentary with local seasonal movements to water.
보전 상태
Eastern Spot-billed Duck
Spotted Whistling-duck
How to Tell Them Apart
Eastern Spot-billed Duck
Brown body with pale buff face and throat; dark crown and eye stripe. Yellow-tipped black bill lacking the red spot of Indian Spot-billed Duck. Iridescent green speculum with white border. …
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
Eastern Spot-billed Duck
동아시아 반점 부리 오리는 중국, 한국, 일본 등 동아시아에 서식하는 오리입니다. 부리에 노란 반점이 있으며, 여름에는 번식지에서 내륙 호수와 강을 선호합니다.
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.