Greater White-fronted Goose vs White-faced Whistling-duck
Anser albifrons 비교 대상 Dendrocygna viduata
Side-by-Side Comparison
| 속성 | Greater White-fronted Goose | White-faced Whistling-duck |
|---|---|---|
| 학명 | Anser albifrons | Dendrocygna viduata |
| 목 | Anseriformes | Anseriformes |
| 과 | Anatidae | Anatidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 81.6 cm (32.1 in) | 42.9 cm (16.9 in) |
| 체중 | 2471.0 g (87.16 oz) | 689.5 g (24.32 oz) |
| 식성 | Dabbles for aquatic invertebrates, seeds, and plant material; diet shifts heavily toward invertebrates in breeding … | Grazes subarctic tundra grasses and sedges; winters on coastal salt marshes eating saltmarsh grasses and … |
| 산란 수 | 3-9 | 4-16 |
| Population Trend | — | — |
Habitat Comparison
공유 서식지
Greater White-fronted Goose only
White-faced Whistling-duck only
없음
Greater White-fronted Goose
Breeds on Arctic and subarctic tundra and peatlands. Winters on estuaries, agricultural fields, freshwater marshes, and flooded meadows across Europe, Asia, and North America. One of the most widespread geese.
White-faced Whistling-duck
Freshwater lakes, marshes, rice paddies, flooded fields, and slow-moving rivers in sub-Saharan Africa and tropical South America. Tolerates a wide range of modified wetlands. Nomadic, following water availability.
Song & Call Comparison
Greater White-fronted Goose
A loud, laughing 'kow-lyuk' or musical 'wah-wah'. Gives a distinctive high-pitched yodeling quality lacking in Greylag. Highly vocal in large winter flocks.
White-faced Whistling-duck
A clear, 3-syllable whistle 'wee-wee-WEE' — the origin of 'whistling-duck'. Given in noisy flocks during flight. Also gives a softer 'de-de-de' contact call on water.
Geographic Range & Migration
Greater White-fronted Goose
Breeds in the potholes region of the northern Great Plains; winters in the southern United States and along the Gulf Coast.
White-faced Whistling-duck
Found in floodplains and wetlands of the Llanos in Venezuela and eastern Colombia. Sedentary and locally nomadic in wet savannas.
보전 상태
Greater White-fronted Goose
White-faced Whistling-duck
How to Tell Them Apart
Greater White-fronted Goose
Brown-gray body with white forehead patch bordered by white band at bill base. Underparts with bold irregular black bars on belly. Orange bill; orange-yellow legs. Juveniles lack white front and …
White-faced Whistling-duck
Distinctive white face and throat contrasting with black hindneck. Breast chestnut; sides and flanks barred black and white. Back brown. Long gray legs. Sexes identical; upright whistling-duck posture.
About These Birds
Greater White-fronted Goose
흰이마기러기는 북극 툰드라에서 번식하고 온대 지역에서 월동하는 기러기입니다. 성체의 흰 이마와 오렌지색 다리가 특징이며, 농경지와 초원에서 풀과 곡물을 먹습니다.
White-faced Whistling-duck
눈에 띄는 흰 얼굴, 밤색 몸통, 줄무늬 옆구리, 독특한 세 음의 휘파람 소리를 가진 키 크고 우아하게 생긴 홍따오기. 사하라 이남 아프리카·남아메리카에 널리 분포. 담수 지점에 큰 소란스러운 무리를 이룬다. 매우 사회적; 집단으로 쉬고 둥지를 튼다.