Barrow's Goldeneye
Bucephala islandica
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<birdfyi-bird slug="bucephala-islandica"></birdfyi-bird>The Barrow's Goldeneye (Bucephala islandica) is a bird species in the family Anatidae (ducks, geese & swans), within the order Anseriformes (waterfowl). Recorded measurements include a wingspan of 44.3 cm and a weight of 838 g. The IUCN Red List classifies it as Least Concern.
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소개
수컷은 자줏빛 광택 머리와 초승달 모양 흰 얼굴 반점을 가진 중간 크기의 구멍 둥지 오리(약 840g)입니다. 북미 서부와 아이슬란드의 산악 호수 근처에서 번식하며 해안 만에서 월동합니다. 무척추동물과 소형 물고기를 잠수하여 먹습니다. 관심대상 종으로, 둥지를 위해 큰 나무 구멍에 의존합니다.
Physical Description
| Measurement | Value | Imperial |
|---|---|---|
| 날개 폭 | 44.3 cm | 17.4 in |
| 체중 | 838.0 g | 29.56 oz |
식별
깃털
Male has iridescent purple-black head with crescent-shaped white facial patch; white body with black scapulars bearing bold white spots. Female grey with brown head, white collar; head rounder than Common Goldeneye.
Habitat & Range
분포 지역
Breeds in Iceland, western Canada, and locally the western United States. Winters on coasts and lakes of the Pacific Northwest and eastern Canada.
Diet & Feeding
Dives for crustaceans, aquatic insects, and molluscs in mountain lakes and coastal bays. Diet similar to Common Goldeneye.
보전 상태
행동 및 번식
둥지
Nest type: CR,CV. Incubation: 28-34 days. Fledging: 56 days.
산란 수
6-14
소리
노래
Male produces a whistled, nasal kaow-kaow call; female gives a harsh quacking series. The male's wheezy, double call differs from Common Goldeneye; heard on western North American lakes.
분류학
| Kingdom | Animalia |
| Phylum | Chordata |
| Class | Aves |
| 목 | Anseriformes (Waterfowl) |
| 과 | Anatidae (Ducks, Geese & Swans) |
| Genus | Bucephala |
| 종 | Bucephala islandica |
Distribution
Barrow's Goldeneye has been recorded in 9 countries.
countries highlighted
External Databases
자주 묻는 질문
What does the Barrow's Goldeneye eat?
Where does the Barrow's Goldeneye live?
Is the Barrow's Goldeneye endangered?
How does the Barrow's Goldeneye nest?
What does the Barrow's Goldeneye sound like?
How big is the Barrow's Goldeneye?
What order and family does the Barrow's Goldeneye belong to?
Similar Birds
Other species in the Anatidae family