Greater White-fronted Goose vs Tundra Bean Goose
Anser albifrons 对比 Anser serrirostris
Side-by-Side Comparison
| 属性 | Greater White-fronted Goose | Tundra Bean Goose |
|---|---|---|
| 学名 | Anser albifrons | Anser serrirostris |
| 目 | Anseriformes | Anseriformes |
| 科 | Anatidae | Anatidae |
| 保护状况 | Least Concern | Not Evaluated |
| 体长 | — | — |
| 翼展 | 81.6 cm (32.1 in) | — |
| 体重 | 2471.0 g (87.16 oz) | 2540.0 g (89.60 oz) |
| 食性 | Dabbles for aquatic invertebrates, seeds, and plant material; diet shifts heavily toward invertebrates in breeding … | -- |
| 产卵数 | 3-9 | 3-8 |
| Population Trend | — | — |
Habitat Comparison
共同栖息地
Greater White-fronted Goose only
Tundra Bean Goose only
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.
Tundra Bean Goose
Breeds on Arctic and subarctic tundra in Siberia. Winters on agricultural land, river floodplains, and wetlands in eastern China, Japan, and Korea, with some wintering in western Europe.
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.
Tundra Bean Goose
A nasal, lower call compared to Taiga Bean Goose. Considered subspecifically or specifically distinct; vocalizations are an active taxonomic tool for separation in mixed flocks.
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.
Tundra Bean Goose
保护状况
Greater White-fronted Goose
Tundra Bean 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 …
Tundra Bean Goose
Dark brown head and neck; grayish-brown back with pale feather fringing. Underparts pale gray-brown. Orange-yellow legs. Bill black with orange subterminal band. Recently split from Taiga Bean Goose.
About These Birds
Greater White-fronted Goose
A medium-large goose with a white forehead patch, orange bill, grey-brown plumage, and variable black barring on the belly. Widespread and numerous; one of the most abundant geese in the world. Breeds across the high Arctic; winters in a wide range of temperate wetland and agricultural habitats.
Tundra Bean Goose
短嘴豆雁原为豆雁的一个亚种，近年被提升为独立物种。繁殖于西伯利亚东北部苔原，越冬于日本、朝鲜半岛及中国东部沿海。外形与豆雁相似，但体型略小，嘴更短厚，以苔原植物和越冬地农田为食。