Lesser Scaup vs Mandarin Duck
Aythya affinis 비교 대상 Aix galericulata
Side-by-Side Comparison
| 속성 | Lesser Scaup | Mandarin Duck |
|---|---|---|
| 학명 | Aythya affinis | Aix galericulata |
| 목 | Anseriformes | Anseriformes |
| 과 | Anatidae | Anatidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | 44.0 cm (17.3 in) |
| 날개 폭 | 39.6 cm (15.6 in) | 70.0 cm (27.6 in) |
| 체중 | 853.75 g (30.12 oz) | 570.0 g (20.11 oz) |
| 식성 | Dives for molluscs, crustaceans, and aquatic invertebrates in coastal habitats; hard-shelled benthic prey dominates diet. | Seeds, acorns, grains, aquatic plants, insects, snails, and small fish. Forages by dabbling, walking, and … |
| 산란 수 | 6-14 | 7-14 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Lesser Scaup
Breeds on boreal lakes, ponds, and wetlands in Canada and Alaska. Winters on large lakes, reservoirs, coastal bays, and freshwater across the southern United States, Mexico, and Central America. Often in large rafts.
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
Lesser Scaup
Male produces a soft, low purring call; female gives a harsh, nasal scaup sound. Voice nearly identical to Greater Scaup but slightly higher; flocks create a burbling, nasal chatter.
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
Lesser Scaup
Breeds in the forested interior of central Canada; winters on large lakes and rivers of the southeastern United States.
Mandarin Duck
Native to East Asia including eastern Russia, China, Japan, and Korea. Feral populations established in Britain and western Europe.
보전 상태
Lesser Scaup
Mandarin Duck
How to Tell Them Apart
Lesser Scaup
Males have peaked purple-glossed black head; white flanks; black breast and undertail; gray back. Yellow eye. Smaller than Greater Scaup with peaked crown. Females dark brown with white face patch. …
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
Lesser Scaup
큰흰죽지와 거의 동일하지만 봉우리 모양의 자줏빛 광택 머리, 좁은 부리 손톱, 더 작은 흰 날개 줄무늬가 특징인 중간 크기의 잠수오리입니다. 북미에서 가장 많은 잠수오리입니다. 캐나다와 알래스카 아한대에서 번식하며 미국 남부 이남에서 월동합니다.
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.