Red-breasted Goose vs Mandarin Duck
Branta ruficollis 비교 대상 Aix galericulata
Side-by-Side Comparison
| 속성 | Red-breasted Goose | Mandarin Duck |
|---|---|---|
| 학명 | Branta ruficollis | Aix galericulata |
| 목 | Anseriformes | Anseriformes |
| 과 | Anatidae | Anatidae |
| 보전 상태 | Vulnerable | Least Concern |
| 체장 | — | 44.0 cm (17.3 in) |
| 날개 폭 | 69.1 cm (27.2 in) | 70.0 cm (27.6 in) |
| 체중 | 1253.25 g (44.21 oz) | 570.0 g (20.11 oz) |
| 식성 | Grazes grasses, seeds, and aquatic plants; introduced to many wetlands; upends in shallow water for … | Seeds, acorns, grains, aquatic plants, insects, snails, and small fish. Forages by dabbling, walking, and … |
| 산란 수 | 3-10 | 7-14 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Red-breasted Goose
Breeds on river-terrace tundra in northwestern Siberia, often near Peregrine or Rough-legged Buzzard nests for protection. Winters on agricultural steppes and lake margins around the Black Sea and Caspian Sea.
Mandarin Duck
Wooded lakes, rivers, and ponds surrounded by dense forest. Unlike most ducks, regularly perches in trees and nests in tree cavities.
Song & Call Comparison
Red-breasted Goose
A high-pitched, rapid 'kik-kik-kik' call. More vocal during migration; flocks give constant chattering. Considered a more squeaky, high-pitched call than other Branta geese.
Mandarin Duck
Male gives a low whistled 'hib' or 'weep'. Female utters a soft quacking 'kek'. Generally quiet and secretive. No loud territorial song; vocalizations subtle and brief.
Geographic Range & Migration
Red-breasted Goose
Breeds in Arctic and subarctic tundra in North America; winters along both US coasts and interior wetlands south to Central America.
Mandarin Duck
Native to East Asia including eastern Russia, China, Japan, and Korea. Feral populations established in Britain and western Europe.
보전 상태
Red-breasted Goose
Mandarin Duck
How to Tell Them Apart
Red-breasted Goose
Unmistakable; vivid chestnut-red patch on face and breast bordered by white stripes. Black crown, back, wings, and belly. White flank stripe and undertail. Compact and striking. Sexes similar.
Mandarin Duck
Breeding males have an elaborate pattern of orange, green, white, and purple with distinctive orange sail feathers on the back. Females are grey-brown with a white eye-ring and stripe.
Small red bill in breeding males, pinkish in females
About These Birds
Red-breasted Goose
선명한 밤색 빨간 가슴과 얼굴 반점, 흑백 몸통, 흰 옆구리 줄무늬를 가진 작고 뚜렷하게 무늬 있는 기러기입니다. 시베리아 툰드라에서 번식하며 주로 흑해 주변에서 월동합니다. 가장 화려하고 멸종위기에 처한 기러기 중 하나로, 사냥과 월동지 농업 변화로 위협받고 있습니다.
Mandarin Duck
중간 크기의 아름다운 오리로 체장 41–49cm이며, 수컷은 오렌지색 볏, 녹색과 보라색 관, 흰색 눈썹, 청동색 옆구리가 화려하게 어우러진 깃털을 갖는다. 동아시아 산지 숲 속 호수와 하천에 서식하며, 유럽과 북아메리카에도 도입되었다. 견과류, 씨앗, 수생식물을 먹는다. 관심 필요 종이다.