Philippine Duck vs Greater White-fronted Goose
Anas luzonica 比較対象 Anser albifrons
Side-by-Side Comparison
| 属性 | Philippine Duck | Greater White-fronted Goose |
|---|---|---|
| 学名 | Anas luzonica | Anser albifrons |
| 目 | Anseriformes | Anseriformes |
| 科 | Anatidae | Anatidae |
| 保全状況 | Vulnerable | Least Concern |
| 体長 | — | — |
| 翼開長 | 47.4 cm (18.7 in) | 81.6 cm (32.1 in) |
| 体重 | 850.1666666666666 g (29.99 oz) | 2471.0 g (87.16 oz) |
| 食性 | Dives for fish in fast Andean rivers; strong swimmer; serrated bill grips slippery prey; diet … | Dabbles for aquatic invertebrates, seeds, and plant material; diet shifts heavily toward invertebrates in breeding … |
| 一腹卵数 | 7-16 | 3-9 |
| Population Trend | — | — |
Habitat Comparison
Philippine Duck
Freshwater lakes, rivers, marshes, mangroves, and rice paddies across the Philippine archipelago. Primarily in lowland and foothill areas below 2,500 m. Threatened by hunting and wetland conversion.
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
Philippine Duck
Female gives a loud, descending quacking series; male produces a soft, nasal note. Strong quacking calls echo across Philippine wetlands; alarm is a rapid, emphatic quacking burst.
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
Philippine Duck
Found from Morocco and sub-Saharan Africa through the Middle East to South Asia. Largely sedentary in freshwater habitats.
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.
保全状況
Philippine Duck
Greater White-fronted Goose
How to Tell Them Apart
Philippine Duck
Cinnamon-buff head and neck; dark brown-black crown and eye stripe conspicuous. Body grayish-brown with darker back. Iridescent green speculum. Blue-gray bill; orange legs. Sexes similar. Philippine endemic.
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
Philippine Duck
A medium-sized duck with a distinctive rufous head and neck, grey-brown body, and blue-green speculum. Endemic to the Philippines. Listed as Vulnerable; threatened by hunting and wetland degradation. Found in a range of lowland freshwater habitats across the Philippines.
Greater White-fronted Goose
北極圏で繁殖し、温帯で越冬する大型のガン（体長64〜81cm）。成鳥は白い額と黒い腹部の横縞が特徴。Anser albifrons（マガン）は東アジア、ヨーロッパ、北米の広大な農地や湿地で越冬する。日本では宮城県伊豆沼などが重要な越冬地で、数万羽が集まる壮観な光景が見られる。Anatidae科。