鸟类百科大全 > 雁形目 (Anseriformes) > 鸭科 (Anatidae)

Cairina 本属包含1个种、0个亚种

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Chinese name: 栖鸭属

Scientific classification

Cairina

Cairina is a genus of ducks in the bird family Anatidae.

Genus: Cairina
Subfamily: Anatinae
Family: Anatidae
Order: Anseriformes
中文属名: 栖鸭属
中文亚科: 鸭亚科
中文科名: 鸭科
中文目名: 雁形目
鸟类百科采用世界鸟类学家联合会(IOC)最新最权威的鸟类分类方法,Version 3.5
Contents

Description

It has two species, which are similar anatomically but quite distinct in external morphology:

  • Muscovy Duck, Cairina moschata
    • Domesticated Muscovy Duck, Cairina moschata momelanotus sometimes Cairina momelanotus
  • White-winged Duck, Cairina scutulata

These were initially placed as type genus in the "Cairininae" (or "Cairinini"), a supposed group of "perching ducks" which was somewhat intermediate between dabbling ducks and shelducks. However, this assemblage turned out to be paraphyletic, and the Cairina species were moved to the dabbling duck subfamily Anatinae, to which they seemed closest from the data available at that time.

Analysis of the mtDNA sequences of the cytochrome b and NADH dehydrogenase subunit 2 genes (Johnson & Sorenson, 1999), meanwhile, has indicated that this is probably not correct, and that moreover the two species usually united in Cairina are not even closely related to each other, which is also suggested by the biogeography of their distribution:

The Muscovy Duck seems a distant relative to the genus Aix which for example contains the North American Wood Duck. Together, they appear related to the shelducks and C. moschata would thus be placed in the Tadorninae.

The White-winged Wood Duck, on the other hand - which has sometimes been allied with the enigmatic Hartlaub's Duck (Madge & Burns, 1987) - should according to the molecular analysis moved to its old genus, Asarcornis, and could in fact be a peculiar diving duck.

References

  1. Cairina (Genus), Zipcode zoo.com
  • Johnson, Kevin P. & Sorenson, Michael D. (1999): Phylogeny and biogeography of dabbling ducks (genus Anas): a comparison of molecular and morphological evidence. Auk 116(3): 792–805. PDF fulltext
  • Madge, Steve & Burn, Hilary (1987): Wildfowl : an identification guide to the ducks, geese and swans of the world. Christopher Helm, London. ISBN 0-7470-2201-1
  • http://zipcodezoo.com/Key/Animalia/Cairina_Genus.asp


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原文链接http://baike.niaolei.org.cn/Cairina

参考资料

[1].  Cairina, from Wikipedia:  http://en.wikipedia.org/wiki/Cairina

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