Ashy-headed Goose vs Spotted Whistling-duck
Chloephaga poliocephala 비교 대상 Dendrocygna guttata
Side-by-Side Comparison
| 속성 | Ashy-headed Goose | Spotted Whistling-duck |
|---|---|---|
| 학명 | Chloephaga poliocephala | Dendrocygna guttata |
| 목 | Anseriformes | Anseriformes |
| 과 | Anatidae | Anatidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 69.1 cm (27.2 in) | 41.3 cm (16.3 in) |
| 체중 | 1779.25 g (62.76 oz) | 677.5 g (23.90 oz) |
| 식성 | Eats grasses, seeds, and aquatic invertebrates; grazes upland pastures and dabbles in wetlands; diet varies … | Primarily herbivorous; grazes tundra grasses and sedges; winters on coastal marshes and farmland, switching to … |
| 산란 수 | 4-6 | 10-11 |
| Population Trend | — | — |
Habitat Comparison
공유 서식지
Ashy-headed Goose only
Spotted Whistling-duck only
없음
Ashy-headed Goose
Temperate forests, forest clearings, and lake margins in southern Chile and Patagonian Argentina. Partially migratory; breeds in beech forest zones and winters on open grasslands farther north.
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
Ashy-headed Goose
A whistled 'seeeeu' from males and a lower cackling from females. Ashy-headed Goose calls carry across Andean foothills and Patagonian grassland habitats.
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
Ashy-headed Goose
Inhabits wetlands and flooded grasslands across South and Southeast Asia, from India to Indonesia. Largely resident year-round.
Spotted Whistling-duck
Ranges widely across sub-Saharan Africa in open woodland and savanna. Largely sedentary with local seasonal movements to water.
보전 상태
Ashy-headed Goose
Spotted Whistling-duck
How to Tell Them Apart
Ashy-headed Goose
Gray head and neck contrast with chestnut breast and rufous-barred flanks. Back brown; belly white. White wing patch in flight with iridescent green speculum. Yellow-orange legs. Sexes similar but females …
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
Ashy-headed Goose
회색 머리, 밤색 가슴, 흑-흰 줄무늬 배를 가진 중형 쉘드거위. 파타고니아와 티에라 델 푸에고 서식. 초식성.
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.