Greater White-fronted Goose vs Salvadori's Teal
Anser albifrons เปรียบเทียบกับ Salvadorina waigiuensis
Side-by-Side Comparison
| คุณสมบัติ | Greater White-fronted Goose | Salvadori's Teal |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Anser albifrons | Salvadorina waigiuensis |
| อันดับ | Anseriformes | Anseriformes |
| วงศ์ตระกูล | Anatidae | Anatidae |
| สถานะการอนุรักษ์ | Least Concern | Least Concern |
| ความยาว | — | — |
| กว้างปีก | 81.6 cm (32.1 in) | 37.2 cm (14.6 in) |
| น้ำหนัก | 2471.0 g (87.16 oz) | 345.6666666666667 g (12.19 oz) |
| อาหาร | Dabbles for aquatic invertebrates, seeds, and plant material; diet shifts heavily toward invertebrates in breeding … | -- |
| จำนวนไข่ | 3-9 | 3-4 |
| Population Trend | — | — |
Habitat Comparison
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Greater White-fronted Goose only
Salvadori's Teal 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.
Salvadori's Teal
Fast-flowing clear mountain streams and rivers at 1,000–3,900 m on New Guinea. Requires clean turbulent water with abundant aquatic invertebrates. Avoids lowland and polluted rivers.
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.
Salvadori's Teal
A soft, piping whistle from New Guinea mountain streams. Relatively poorly known; call is a gentle, reedy note. Behavior and vocalizations remain incompletely documented.
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.
Salvadori's Teal
สถานะการอนุรักษ์
Greater White-fronted Goose
Salvadori's Teal
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 …
Salvadori's Teal
Dark brown plumage with fine pale spotting and barring throughout. Head dark brown; underparts barred brown and buff. Yellow bill with dark tip. Legs and feet yellow. Unique highland New …
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.
Salvadori's Teal
A small brown torrent-adapted duck with a yellow bill, spotted body, and barred flanks. Endemic to New Guinea's mountain rivers. Often compared to New Zealand's Blue Duck in ecological niche. Inhabits fast-flowing alpine streams. Poorly studied; listed as Vulnerable.