Greater White-fronted Goose vs Andean Goose
Anser albifrons 비교 대상 Chloephaga melanoptera
Side-by-Side Comparison
| 속성 | Greater White-fronted Goose | Andean Goose |
|---|---|---|
| 학명 | Anser albifrons | Chloephaga melanoptera |
| 목 | Anseriformes | Anseriformes |
| 과 | Anatidae | Anatidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 81.6 cm (32.1 in) | 86.3 cm (34.0 in) |
| 체중 | 2471.0 g (87.16 oz) | 2617.5 g (92.33 oz) |
| 식성 | Dabbles for aquatic invertebrates, seeds, and plant material; diet shifts heavily toward invertebrates in breeding … | Eats grasses, seeds, molluscs, and aquatic invertebrates; wades in shallow water; diet includes invertebrates year-round. |
| 산란 수 | 3-9 | 5-10 |
| Population Trend | — | — |
Habitat Comparison
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.
Andean Goose
High-altitude puna grassland, bofedales (cushion bogs), and lakeshores at 3,500–5,500 m in the Andes from Peru through Bolivia and Chile to northwestern Argentina. Grazes beside glacial and alpine lakes.
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.
Andean Goose
A loud, cackling 'kek-kek-kek' from high-altitude Andean puna. Pairs are territorial and vocal. Calls carry well across open altiplano above 4,000 m elevation.
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.
Andean Goose
Formerly widespread on the Mascarene Island of Réunion. Extinct in the 17th century; extirpated by hunting and introduced predators.
보전 상태
Greater White-fronted Goose
Andean Goose
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 …
Andean Goose
Entirely white plumage except black-tipped primaries and black tail. Bill and legs coral-pink. Larger than most Chloephaga. Sexes similar. Inhabits high Andean lakes and grasslands above 3,000 m.
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.
Andean Goose
독특한 검은 끝 분홍-흰색 부리를 가진 대형 흑-백 쉘드거위. 안데스 고지 서식. 초식성.