Greater White-fronted Goose vs Common Goldeneye
Anser albifrons เปรียบเทียบกับ Bucephala clangula
Side-by-Side Comparison
| คุณสมบัติ | Greater White-fronted Goose | Common Goldeneye |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Anser albifrons | Bucephala clangula |
| อันดับ | Anseriformes | Anseriformes |
| วงศ์ตระกูล | Anatidae | Anatidae |
| สถานะการอนุรักษ์ | Least Concern | Least Concern |
| ความยาว | — | — |
| กว้างปีก | 81.6 cm (32.1 in) | 41.7 cm (16.4 in) |
| น้ำหนัก | 2471.0 g (87.16 oz) | 921.0 g (32.49 oz) |
| อาหาร | Dabbles for aquatic invertebrates, seeds, and plant material; diet shifts heavily toward invertebrates in breeding … | Dives for aquatic invertebrates, crustaceans, molluscs, and small fish. Forages in lakes, rivers, and coastal … |
| จำนวนไข่ | 3-9 | 1-28 |
| Population Trend | — | — |
Habitat Comparison
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Greater White-fronted Goose only
Common Goldeneye only
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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.
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.
Common Goldeneye
Male emits a buzzy, insect-like zeee-zeee-zeee wing whistle; female gives a grating quack. The mechanical wing-whistle produced by the male in display flight is the species' most distinctive sound.
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.
Common Goldeneye
Breeds across boreal forests of North America, Europe, and Asia. Winters on coasts and large lakes south to the Mediterranean and the Gulf states.
สถานะการอนุรักษ์
Greater White-fronted Goose
Common Goldeneye
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 …
Common Goldeneye
Male has glossy green-black head with round white spot at bill base; body white with black back and scapulars; yellow eye. Female has chocolate-brown head, white collar, and grey body.
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.
Common Goldeneye
A medium-sized diving duck (~920 g) of family Anatidae, males with iridescent green heads and a round white cheek spot. Breeds near boreal lakes and rivers, nesting in tree cavities across Eurasia and North America; winters on coastal and inland waters. Dives for invertebrates, fish, and plant matter. Least Concern with widespread distribution.