Lesser Scaup
Aythya affinis
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<birdfyi-bird slug="aythya-affinis"></birdfyi-bird>The Lesser Scaup (Aythya affinis) is a bird species in the family Anatidae (ducks, geese & swans), within the order Anseriformes (waterfowl). Recorded measurements include a wingspan of 39.6 cm and a weight of 853.8 g. The IUCN Red List classifies it as Least Concern.
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소개
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.
Physical Description
| Measurement | Value | Imperial |
|---|---|---|
| 날개 폭 | 39.6 cm | 15.6 in |
| 체중 | 853.75 g | 30.12 oz |
식별
깃털
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. White wing stripe shorter.
Habitat & Range
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.
분포 지역
Breeds in the forested interior of central Canada; winters on large lakes and rivers of the southeastern United States.
Diet & Feeding
Dives for molluscs, crustaceans, and aquatic invertebrates in coastal habitats; hard-shelled benthic prey dominates diet.
보전 상태
행동 및 번식
둥지
Nest type: CP. Incubation: 21-22 days. Fledging: 45-50 days.
산란 수
6-14
소리
노래
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.
분류학
| Kingdom | Animalia |
| Phylum | Chordata |
| Class | Aves |
| 목 | Anseriformes (Waterfowl) |
| 과 | Anatidae (Ducks, Geese & Swans) |
| Genus | Aythya |
| 종 | Aythya affinis |
Distribution
Lesser Scaup has been recorded in 9 countries.
countries highlighted
External Databases
자주 묻는 질문
What does the Lesser Scaup eat?
Where does the Lesser Scaup live?
Is the Lesser Scaup endangered?
How does the Lesser Scaup nest?
What does the Lesser Scaup sound like?
How big is the Lesser Scaup?
What order and family does the Lesser Scaup belong to?
Similar Birds
Other species in the Anatidae family