Swan Goose vs Mandarin Duck
Anser cygnoid 비교 대상 Aix galericulata
Side-by-Side Comparison
| 속성 | Swan Goose | Mandarin Duck |
|---|---|---|
| 학명 | Anser cygnoid | Aix galericulata |
| 목 | Anseriformes | Anseriformes |
| 과 | Anatidae | Anatidae |
| 보전 상태 | Endangered | Least Concern |
| 체장 | — | 44.0 cm (17.3 in) |
| 날개 폭 | 84.4 cm (33.2 in) | 70.0 cm (27.6 in) |
| 체중 | 3343.75 g (117.95 oz) | 570.0 g (20.11 oz) |
| 식성 | Herbivore; grazes aquatic plants and grasses at wetland margins; takes invertebrates in spring; diet shifts … | Seeds, acorns, grains, aquatic plants, insects, snails, and small fish. Forages by dabbling, walking, and … |
| 산란 수 | 4-8 | 7-14 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Swan Goose
Breeds on steppe lakes, rivers, and meadows in Mongolia, Siberia, and northeastern China. Winters in eastern China's Yangtze River floodplain and coastal wetlands. Wild populations critically small.
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
Swan Goose
A deep, resonant 'honk'; less frequently heard than Greylag. The EN status reflects serious population decline; vocalizations are considered similar to Greylag Goose.
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
Swan Goose
Breeds in the tundra and boreal zones of Alaska and Canada; winters on the Pacific coast from British Columbia to California.
Mandarin Duck
Native to East Asia including eastern Russia, China, Japan, and Korea. Feral populations established in Britain and western Europe.
보전 상태
Swan Goose
Mandarin Duck
How to Tell Them Apart
Swan Goose
Long neck with rich chestnut hindneck stripe. Forehead and crown dark brown; face and throat whitish. Upperparts grayish-brown; underparts pale. Long black bill. Pink legs. Ancestor of Chinese domestic geese.
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
Swan Goose
백조 기러기는 중앙아시아와 동아시아에 서식하는 대형 기러기로, 국내 기러기(중국 기러기)의 조상입니다. 긴 목과 독특한 부리 기부의 혹이 특징이며, 이주 중 큰 무리를 이룹니다.
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.