Andean Teal vs Brent Goose
Anas andium 비교 대상 Branta bernicla
Side-by-Side Comparison
| 속성 | Andean Teal | Brent Goose |
|---|---|---|
| 학명 | Anas andium | Branta bernicla |
| 목 | Anseriformes | Anseriformes |
| 과 | Anatidae | Anatidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 44.8 cm (17.6 in) | 63.9 cm (25.2 in) |
| 체중 | 457.0 g (16.12 oz) | 1335.0 g (47.09 oz) |
| 식성 | Eats molluscs, crustaceans, and aquatic invertebrates; dives in shallow coastal and freshwater habitats; diet varies … | Primarily herbivorous; grazes aquatic plants, grasses, and sedges; swans upend in shallow water for submerged … |
| 산란 수 | 5-13 | 1-10 |
| Population Trend | — | — |
Habitat Comparison
Andean Teal
High-altitude freshwater lakes, marshes, and boggy streams at 2,500–4,500 m in the Andes of Colombia, Ecuador, and Peru. Strongly associated with paramo and subpáramo wetlands.
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
Andean Teal
Male gives a clear, whistled note; female produces a soft quacking series. Subdued vocalizations of this high-altitude Andes teal blend with the wind across paramo lakes.
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
Andean Teal
Breeds in Arctic and sub-Arctic North America; winters along both US coasts, the Gulf of Mexico, and the Great Lakes.
Brent Goose
Breeds across boreal and subarctic Canada and Alaska; winters in the southern United States, Mexico, and Central America.
보전 상태
Andean Teal
Brent Goose
How to Tell Them Apart
Andean Teal
Brown body with fine dark spotting; head grayish-brown. Yellow bill with darker culmen. Iridescent green speculum with white front border. Legs grayish-orange. Sexes similar. High-altitude Andean specialist.
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
Andean Teal
노란 부리와 초록 날개를 가진 작은 갈색 청둥오리. 노란부리청둥오리와 밀접하게 관련이 있으며 때로 아종으로 취급된다. 콜롬비아, 에콰도르, 페루의 안데스 습지에 서식한다.
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.