Emperor Goose vs Mandarin Duck
Anser canagicus 비교 대상 Aix galericulata
Side-by-Side Comparison
| 속성 | Emperor Goose | Mandarin Duck |
|---|---|---|
| 학명 | Anser canagicus | Aix galericulata |
| 목 | Anseriformes | Anseriformes |
| 과 | Anatidae | Anatidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | 44.0 cm (17.3 in) |
| 날개 폭 | 74.8 cm (29.4 in) | 70.0 cm (27.6 in) |
| 체중 | 2300.45 g (81.15 oz) | 570.0 g (20.11 oz) |
| 식성 | Grazes aquatic plants and terrestrial grasses; upends in shallow water; winter diet shifts toward grain … | Seeds, acorns, grains, aquatic plants, insects, snails, and small fish. Forages by dabbling, walking, and … |
| 산란 수 | 1-8 | 7-14 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Emperor Goose
Breeds on coastal tundra near the Bering Sea in Alaska and Chukotka. Winters on rocky coastal shorelines, kelp beds, and intertidal flats along the Aleutian Islands and Alaska Peninsula.
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
Emperor Goose
A low, nasal 'clag-clag' call. Less vocal than other Anser geese. Gives contact calls in flocks during Arctic breeding and Pacific coast wintering. Somewhat quiet.
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
Emperor Goose
Breeds in the eastern Arctic of Canada; winters along the Atlantic coast from Newfoundland to Florida and occasionally to Texas.
Mandarin Duck
Native to East Asia including eastern Russia, China, Japan, and Korea. Feral populations established in Britain and western Europe.
보전 상태
Emperor Goose
Mandarin Duck
How to Tell Them Apart
Emperor Goose
Body plumage blue-gray with black and white feather scalloping. White head and hindneck contrasting with dark throat. Orange-yellow legs. Bill pink-orange. Tail white. Adults 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
Emperor Goose
황제 기러기는 알래스카와 시베리아 해안에서 번식합니다. 회색 몸통과 흰 머리, 검은 목이 특징이며, 조간대와 해안 초원에서 서식합니다. 개체 수가 제한적이고 감소 추세에 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.