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Laysan Duck

Anas laysanensis

Critically Endangered

Flügelspannweite

39,7 cm

Gewicht

465,25 g

Familie

Anatidae

Ordnung

Anseriformes

Über uns

A tiny brown dabbling duck with distinctive white around the eye and green speculum. The most range-restricted waterfowl in the world; endemic to Laysan Island in the Hawaiian archipelago. Critically Endangered; brought back from single digits in the early 20th century. Feeds on brine flies.

Physical Description

Measurement	Value	Imperial
Flügelspannweite	39,7 cm	15.6 in
Gewicht	465,25 g	16.41 oz

Identifizierung

Gefieder

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.

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Geografisches Verbreitungsgebiet

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.

Erhaltungsstatus

Critically Endangered

IUCN Red List

Verhalten & Brutverhalten

Nistverhalten

Nest type: CP.

Gelegegröße

9-13

Lautgebung

Gesang

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.

Taxonomie

Kingdom	Animalia
Phylum	Chordata
Class	Aves
Ordnung	Anseriformes (Wasservögel)
Familie	Anatidae (Enten, Gänse und Schwäne)
Genus	Anas
Arten	Anas laysanensis

Distribution

Laysan Duck has been recorded in 5 countries.

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Vorhanden Not recorded

countries highlighted

🇧🇪 Belgien 🇫🇷 Frankreich 🇳🇱 Niederlande 🇳🇴 Norwegen 🇬🇧 Vereinigtes Königreich

External Databases

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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.