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Laysan Duck

Anas laysanensis

Critically Endangered

날개 폭

39.7 cm

체중

465.25 g

과

Anatidae

목

Anseriformes

소개

레이산 오리는 하와이 레이산 섬에 서식하는 멸종위기종으로, 세계에서 가장 희귀한 오리 중 하나입니다. 날개가 짧아 비행 능력이 제한되어 있으며, 작은 서식지 내 곤충과 갑각류를 주로 먹습니다.

Physical Description

Measurement	Value	Imperial
날개 폭	39.7 cm	15.6 in
체중	465.25 g	16.41 oz

식별

깃털

Brown plumage mottled and streaked buff and dark brown. White eye-ring contrasts with dark face. Both sexes similar; females show reduced white eye ring. Iridescent speculum. Critically endangered; only on Laysan Atoll.

Habitat & Range

Restricted to Laysan Island and Midway Atoll in the Hawaiian Islands. Inhabits the central hypersaline lagoon and surrounding vegetation. Feeds on brine shrimp and flies around the lagoon margin.

🌿 Wetland 🌾 Grassland 🏖️ Coastal

분포 지역

Resident in West Africa from Senegal to Nigeria; inhabits rainforest streams and swamps. Sedentary and locally common.

Diet & Feeding

Dives for small fish, aquatic invertebrates, and amphibians; serrated bill grips prey; diet fish-heavy in winter months.

보전 상태

Critically Endangered

IUCN Red List

행동 및 번식

둥지

Nest type: CP.

산란 수

9-13

소리

노래

Female gives a soft, muffled quacking series; male utters a quiet rasp. Extremely rare; the soft, unobtrusive quacking calls are seldom heard on the remote Laysan Island lagoon.

분류학

Kingdom	Animalia
Phylum	Chordata
Class	Aves
목	Anseriformes (Waterfowl)
과	Anatidae (Ducks, Geese & Swans)
Genus	Anas
종	Anas laysanensis

Distribution

Laysan Duck has been recorded in 5 countries.

{# Distribution Map — simplified SVG world map with highlighted countries. Expects `country_codes` variable: list of ISO alpha-2 codes (e.g. ["US", "CA", "MX"]). Uses Alpine.js to toggle classes on country paths. #}

출현 Not recorded

countries highlighted

🇧🇪 Belgium 🇫🇷 France 🇳🇱 Netherlands 🇳🇴 Norway 🇬🇧 United Kingdom

External Databases

자주 묻는 질문

What does the Laysan Duck eat?

Dives for small fish, aquatic invertebrates, and amphibians; serrated bill grips prey; diet fish-heavy in winter months.

Where does the Laysan Duck live?

Restricted to Laysan Island and Midway Atoll in the Hawaiian Islands. Inhabits the central hypersaline lagoon and surrounding vegetation. Feeds on brine shrimp and flies around the lagoon margin.

Is the Laysan Duck endangered?

The Laysan Duck has a conservation status of Critically Endangered.

How does the Laysan Duck nest?

Nest type: CP.

What does the Laysan Duck sound like?

Female gives a soft, muffled quacking series; male utters a quiet rasp. Extremely rare; the soft, unobtrusive quacking calls are seldom heard on the remote Laysan Island lagoon.

How big is the Laysan Duck?

The Laysan Duck has a wingspan of 39.7 cm, weight of 465.25 g.

What order and family does the Laysan Duck belong to?

The Laysan Duck (Anas laysanensis) belongs to the order Anseriformes and the family Anatidae.