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Crested Shelduck

Tadorna cristata

Critically Endangered
翼展
59.8 cm
体重
1235.0 g
Anatidae
Anseriformes

关于

冠麻鸭是已知的最后一个可靠标本记录于20世纪初的朝鲜半岛,此后再无确认记录,可能已灭绝。外形与赤麻鸭相似,但雄鸟头顶具绿色羽冠。曾繁殖于朝鲜半岛和中国北部,越冬于中国南部。灭绝原因可能与栖息地丧失和过度猎捕有关,目前仍被列为极危物种(可能已灭绝)。

Physical Description

Measurement Value Imperial
翼展 59.8 cm 23.5 in
体重 1235.0 g 43.56 oz

识别

羽毛

Critically rare; known from few specimens. Males dark green head with bushy crest; black and white body with chestnut flanks. Females have white facial markings and brown-barred body. Possibly extinct; last records 1964.

Habitat & Range

Historically known from coastal Korea, Siberia, and possibly Japan. Habitat preferences poorly known; specimens were collected near coasts and rivers. Possibly extinct.

分布范围

Breeds across the Palearctic; winters from West Africa to South Africa. Uses the western and central Palearctic–African flyways.

Diet & Feeding

Possibly extinct; Crested Shelduck fed on seeds, aquatic plants, and invertebrates near East Asian wetlands; diet records scarce.

保护状况

Critically Endangered
IUCN Red List

行为与繁殖

产卵数

10

声音

鸣唱

Critically endangered; last confirmed sightings in 1971. No vocalizations reliably recorded. Presumed similar to related shelducks based on phylogeny but effectively unknown.

分类学

Kingdom Animalia
Phylum Chordata
Class Aves
Anseriformes (Waterfowl)
Anatidae (Ducks, Geese & Swans)
Genus Tadorna
物种 Tadorna cristata

Distribution

Crested Shelduck has been recorded in 1 countries.

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出现 Not recorded
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countries highlighted

External Databases

常见问题

What does the Crested Shelduck eat?
Possibly extinct; Crested Shelduck fed on seeds, aquatic plants, and invertebrates near East Asian wetlands; diet records scarce.
Where does the Crested Shelduck live?
Historically known from coastal Korea, Siberia, and possibly Japan. Habitat preferences poorly known; specimens were collected near coasts and rivers. Possibly extinct.
Is the Crested Shelduck endangered?
The Crested Shelduck has a conservation status of Critically Endangered.
What does the Crested Shelduck sound like?
Critically endangered; last confirmed sightings in 1971. No vocalizations reliably recorded. Presumed similar to related shelducks based on phylogeny but effectively unknown.
How big is the Crested Shelduck?
The Crested Shelduck has a wingspan of 59.8 cm, weight of 1235.0 g.
What order and family does the Crested Shelduck belong to?
The Crested Shelduck (Tadorna cristata) belongs to the order Anseriformes and the family Anatidae.

Similar Birds

Other species in the Anatidae family

比较

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