Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Megaclassis: Osteichthyes
Cladus: Sarcopterygii
Cladus: Rhipidistia
Cladus: Tetrapodomorpha
Cladus: Eotetrapodiformes
Cladus: Elpistostegalia
Superclassis: Tetrapoda
Cladus: Reptiliomorpha
Cladus: Amniota
Classis: Reptilia
Cladus: Eureptilia
Cladus: Romeriida
Subclassis: Diapsida
Cladus: Sauria
Infraclassis: Archosauromorpha
Cladus: Crurotarsi
Divisio: Archosauria
Cladus: Avemetatarsalia
Cladus: Ornithodira
Subtaxon: Dinosauromorpha
Cladus: Dinosauriformes
Cladus: Dracohors
Cladus: Dinosauria
Cladus: Saurischia
Cladus: Eusaurischia
Subordo: Theropoda
Cladus: Neotheropoda
Cladus: Averostra
Cladus: Tetanurae
Cladus: Avetheropoda
Cladus: Coelurosauria
Cladus: Tyrannoraptora
Cladus: Maniraptoromorpha
Cladus: Maniraptoriformes
Cladus: Maniraptora
Cladus: Pennaraptora
Cladus: Paraves
Cladus: Eumaniraptora
Cladus: Avialae
Infraclassis: Aves
Cladus: Avebrevicauda
Cladus: Pygostylia
Cladus: Ornithothoraces
Cladus: Ornithuromorpha
Cladus: Carinatae
Parvclassis: Neornithes
Cohors: Neognathae
Cladus: Neoaves
Cladus: Telluraves
Cladus: Australaves
Ordo: Passeriformes
Subordo: Passeri
Infraordo: Corvida
Superfamilia: Corvoidea
Familia: Corvidae
Genus: Podoces
Species: Podoces biddulphi
Name
Podoces biddulphi Hume, 1874
References
Hume, A.C., 1874. Novelties. Podoces Biddulplii, Sp. Nov. In: Stray feathers. Journal of ornithology for India and its dependencies: p. 503. BHL
IUCN: Podoces biddulphi (Near Threatened)
Vernacular names
العربية: قيق الأرض الشرق تركستاني
English: Xinjiang ground-jay, Biddulph's ground jay
español: Arrendajo terrestre de Xinjiang
فارسی: زاغ زمینی ژینجیانگ
suomi: Sinkianginaavikkonärhi
français: Podoce de Biddulph
Nederlands: Chinese steppegaai
پنجابی: بڈلف رولا کاں
svenska: Biddulphs ökenskrika
ไทย: นกเจย์สีน้ำตาลซินเจียง
中文: 白尾地鸦
Xinjiang ground jay (Podoces biddulphi) or Biddulph's ground jay, is a species of bird in the family Corvidae. It is endemic to China. It is not larger than an adult human's hand and has a brownish white coat of feathers.
Since 2004, the International Union for Conservation of Nature (IUCN) has listed the jay's conservation status as "Near Threatened" due to habitat fragmentation and degradation.[1] Its population is small, and its range is limited.[2]
Breeding
The breeding season lasts from March to May.[2] Females incubate clutches of 1-3 eggs for 18 days[2] in open[3] nests; they mainly incubate in the morning, and spend more time doing so if temperatures are low. When temperatures are high, they also shade the clutch. They prefer to nest toward the center of oases.[2]
Parents share feeding duties.[2]
Xinjiang ground jays are monogamous. They exhibit sexual dimorphism, and males are larger than females.[2]
They are sometimes attracted to human-influenced areas such as highways,[4] but prefer not to nest near them.[5]
References
BirdLife International (2017). "Podoces biddulphi". IUCN Red List of Threatened Species. 2017: e.T22705888A111661838. doi:10.2305/IUCN.UK.2017-1.RLTS.T22705888A111661838.en. Retrieved 13 November 2021.
Wang, Kechun; Tong, Yuping; Xu, Wenxuan; Blank, David; Yang, Weikang; Xu, Feng (November 2023). "Breeding biology of the Xinjiang ground-jay Podoces biddulphi in the Taklimakan Desert, NW China". Global Ecology and Conservation. 47: e02690. doi:10.1016/j.gecco.2023.e02690. ISSN 2351-9894.
"Figure 1: Variation in egg reflectance under five treatments over 7 days". doi:10.7717/peerj.11725/fig-1. {{cite web}}: Missing or empty |url= (help)
Bunce, R.G.H.; Bogers, M.M.B.; Evans, D.; Jongman, R.H.G. (October 2013). "Field identification of habitats directive Annex I habitats as a major European biodiversity indicator". Ecological Indicators. 33: 105–110. doi:10.1016/j.ecolind.2012.10.004. ISSN 1470-160X.
Madge, Steve (2020-03-04), Del Hoyo, Josep; Elliott, Andrew; Sargatal, Jordi; Christie, David; De Juana, Eduardo (eds.), "Iranian Ground-Jay (Podoces pleskei)", Birds of the World, Cornell Lab of Ornithology, doi:10.2173/bow.irgjay1.01, S2CID 216272694, retrieved 2023-12-26
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