Yellow-billed Pintail vs Greater White-fronted Goose
Anas georgica เปรียบเทียบกับ Anser albifrons
Side-by-Side Comparison
| คุณสมบัติ | Yellow-billed Pintail | Greater White-fronted Goose |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Anas georgica | Anser albifrons |
| อันดับ | Anseriformes | Anseriformes |
| วงศ์ตระกูล | Anatidae | Anatidae |
| สถานะการอนุรักษ์ | Least Concern | Least Concern |
| ความยาว | — | — |
| กว้างปีก | 41.1 cm (16.2 in) | 81.6 cm (32.1 in) |
| น้ำหนัก | 626.6666666666666 g (22.11 oz) | 2471.0 g (87.16 oz) |
| อาหาร | Eats aquatic invertebrates, molluscs, and small fish; dives in shallow water; diet varies between freshwater … | Dabbles for aquatic invertebrates, seeds, and plant material; diet shifts heavily toward invertebrates in breeding … |
| จำนวนไข่ | 3-12 | 3-9 |
| Population Trend | — | — |
Habitat Comparison
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Yellow-billed Pintail only
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Greater White-fronted Goose only
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Yellow-billed Pintail
Freshwater and brackish lakes, rivers, marshes, and bogs from the Andes to Patagonia in South America, plus the Falkland Islands and South Georgia. Ranges from sea level to high altitudes. Partially migratory.
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
Yellow-billed Pintail
Female gives a nasal, descending quacking series; male utters a short, whistled note. Calls are softer than the Northern Pintail; heard across South American lakes and pampas marshes.
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.
Geographic Range & Migration
Yellow-billed Pintail
Breeds across the northern Palearctic; winters in Europe, North Africa, the Middle East, and South Asia.
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.
สถานะการอนุรักษ์
Yellow-billed Pintail
Greater White-fronted Goose
How to Tell Them Apart
Yellow-billed Pintail
Brown plumage with pale buff feather edges creating scalloped pattern. Yellow bill with black ridge and tip. Pointed tail; long neck. Iridescent speculum with buff front border. Sexes similar. Andean …
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 …
About These Birds
Yellow-billed Pintail
A slender long-tailed duck with pale buff-brown body, dark brown cap, yellow-sided bill, and a distinctive long pointed tail. Found from the South American subtropics to the Falkland Islands and South Georgia. Gregarious; forms large post-breeding flocks.
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.