Philippine Duck vs Brent Goose
Anas luzonica 비교 대상 Branta bernicla
Side-by-Side Comparison
| 속성 | Philippine Duck | Brent Goose |
|---|---|---|
| 학명 | Anas luzonica | Branta bernicla |
| 목 | Anseriformes | Anseriformes |
| 과 | Anatidae | Anatidae |
| 보전 상태 | Vulnerable | Least Concern |
| 체장 | — | — |
| 날개 폭 | 47.4 cm (18.7 in) | 63.9 cm (25.2 in) |
| 체중 | 850.1666666666666 g (29.99 oz) | 1335.0 g (47.09 oz) |
| 식성 | Dives for fish in fast Andean rivers; strong swimmer; serrated bill grips slippery prey; diet … | Primarily herbivorous; grazes aquatic plants, grasses, and sedges; swans upend in shallow water for submerged … |
| 산란 수 | 7-16 | 1-10 |
| 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.
Brent Goose
Breeds on high-Arctic tundra; winters on estuaries, coastal mudflats, saltmarshes, and sea-grass beds along Atlantic and Pacific coastlines. One of the most strictly coastal wintering 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.
Brent Goose
A low, guttural 'rronk' or 'ronk-ronk' from flocks. Soft nasal calls in feeding groups. A subtle, understated call for a goose — less loud than most Anser geese.
Geographic Range & Migration
Philippine Duck
Found from Morocco and sub-Saharan Africa through the Middle East to South Asia. Largely sedentary in freshwater habitats.
Brent Goose
Breeds across boreal and subarctic Canada and Alaska; winters in the southern United States, Mexico, and Central America.
보전 상태
Philippine Duck
Brent 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.
Brent Goose
Small; mostly black head, neck, and breast. Small white neck-patch on adults. Back dark brownish-gray; belly pale gray to white depending on subspecies. White undertail coverts. Sexes similar.
About These Birds
Philippine Duck
필리핀 오리는 필리핀 제도에만 서식하는 고유종으로, 현재 취약 상태에 있습니다. 계피색 머리와 갈색 몸통을 가진 중간 크기의 오리로, 담수 습지와 논에서 서식합니다.
Brent Goose
검은 머리와 목, 작은 흰 목 반점, 연한 회색 배를 가진 작은 어두운 몸통의 기러기입니다. 고위도 북극 번식지와 온대 해안 월동지 사이를 이동합니다. 겨울에 잘피와 염습지 식생을 먹습니다. 세 아종이 배 색상이 다릅니다.