Hainan peacock-pheasant

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Hainan peacock-pheasant
Hainan Peacock Pheasant.jpg
Male
Hainan Peacock-pheasant Display Pair.jpg
A displaying male (left) and a female (right)
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Galliformes
Family: Phasianidae
Genus: Polyplectron
Species:
P. katsumatae
Binomial name
Polyplectron katsumatae
Rothschild, 1906

The Hainan peacock-pheasant (Polyplectron katsumatae) is an endangered bird that belongs to the pheasant family Phasianidae. This extremely rare species is endemic to the island of Hainan, China.

Contents

Description

The bird was long considered a subspecies of grey peacock-pheasant or Polyplectron bicalcaratum . The Hainan peacock-pheasant is smaller, and it possesses a short crest and ruff (Johnsgard 1986).[ full citation needed ] It has red facial skin as opposed to grey in the yellow-orange facial skin of the grey peacock-pheasant. Beebe (1922)[ full citation needed ] noted various plumage differences between the two and considered them separate species. [2]

Taxonomy

Polyplectron katsumatae.jpg

Due to lack of detailed taxonomic studies, whether it was truly a subspecies (Polyplectron bicalcaratum katsumatae) or a full species remained unclear. Scientists used molecular markers, including the complete mitochondrial cytochrome b gene and intron G of the nuclear ovomucoid gene, to reevaluate the taxonomy of the Hainan peacock-pheasant. The results showed phylogeographic monophyly and large genetic distance between the Hainan peacock-pheasant and the grey peacock-pheasant. Sequence differences corroborated the species-level distinction between these two peacock-pheasants, which were inferred to have diverged about 1.4±0.3 million years ago, near the time Hainan Island became separated from mainland China. BirdLife International has also decided to recognize the split of Polyplectron katsumatae from Polyplectron bicalcaratum. [3]

Conservation status

Due to a very low population density [4] in tropical forest and declining population, it is now becoming severely endangered and should be regarded as the rarest species in the order Galliformes in China. Taking more conservation action immediately to protect this endangered island endemic is imperative.

See also

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References

  1. BirdLife International (2022). "Polyplectron katsumatae". IUCN Red List of Threatened Species . 2022: e.T22734897A207341783. Retrieved 11 November 2021.
  2. "OBC Checklist". Archived from the original on 2012-10-15. Retrieved 2010-02-15.
  3. "Birdlifeforums". www.birdlifeforums.org. Archived from the original on 2016-04-01.
  4. Chang, Jiang; Wang, Biao; Zhang, Yang-Yun; Liu, Ying; Liang, Wei; Wang, Ji-Chao; Shi, Hai-Tao; Su, Wen-Ba; Zhang, Zheng-Wang (2008). "Molecular Evidence for Species Status of the Endangered Hainan Peacock Pheasant". Zoological Science. 25 (1): 30–35. doi:10.2108/zsj.25.30. PMID   18275243. S2CID   9715464.

Literature cited