Red-breasted Goose vs Spotted Whistling-duck
Branta ruficollis 비교 대상 Dendrocygna guttata
Side-by-Side Comparison
| 속성 | Red-breasted Goose | Spotted Whistling-duck |
|---|---|---|
| 학명 | Branta ruficollis | Dendrocygna guttata |
| 목 | Anseriformes | Anseriformes |
| 과 | Anatidae | Anatidae |
| 보전 상태 | Vulnerable | Least Concern |
| 체장 | — | — |
| 날개 폭 | 69.1 cm (27.2 in) | 41.3 cm (16.3 in) |
| 체중 | 1253.25 g (44.21 oz) | 677.5 g (23.90 oz) |
| 식성 | Grazes grasses, seeds, and aquatic plants; introduced to many wetlands; upends in shallow water for … | Primarily herbivorous; grazes tundra grasses and sedges; winters on coastal marshes and farmland, switching to … |
| 산란 수 | 3-10 | 10-11 |
| Population Trend | — | — |
Habitat Comparison
Red-breasted Goose
Breeds on river-terrace tundra in northwestern Siberia, often near Peregrine or Rough-legged Buzzard nests for protection. Winters on agricultural steppes and lake margins around the Black Sea and Caspian Sea.
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
Red-breasted Goose
A high-pitched, rapid 'kik-kik-kik' call. More vocal during migration; flocks give constant chattering. Considered a more squeaky, high-pitched call than other Branta geese.
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
Red-breasted Goose
Breeds in Arctic and subarctic tundra in North America; winters along both US coasts and interior wetlands south to Central America.
Spotted Whistling-duck
Ranges widely across sub-Saharan Africa in open woodland and savanna. Largely sedentary with local seasonal movements to water.
보전 상태
Red-breasted Goose
Spotted Whistling-duck
How to Tell Them Apart
Red-breasted Goose
Unmistakable; vivid chestnut-red patch on face and breast bordered by white stripes. Black crown, back, wings, and belly. White flank stripe and undertail. Compact and striking. Sexes similar.
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
Red-breasted Goose
선명한 밤색 빨간 가슴과 얼굴 반점, 흑백 몸통, 흰 옆구리 줄무늬를 가진 작고 뚜렷하게 무늬 있는 기러기입니다. 시베리아 툰드라에서 번식하며 주로 흑해 주변에서 월동합니다. 가장 화려하고 멸종위기에 처한 기러기 중 하나로, 사냥과 월동지 농업 변화로 위협받고 있습니다.
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.