Yuanjiawaornis

Erinnya litegeeza: “bird from Yuanjiawa”1

Yalyanga: EnnyamaEbinyonyi eby'olubereberyeEntandikwa ya Kuretasi

Yuanjiawaornis was a big, powerful bird that lived about 120 million years ago in what is now China. It was one of the largest birds of its time, with a wingspan nearly half a metre wide. It probably hunted small animals for food.1 2

Yabeerawo

emyaka obukadde 121 okutuuka ku 113 emabega4

Entandikwa ya Kuretasi

Ebisigalira byazuulibwa mu

Liaoning Province, China1 2

Obugazi bw'ebiwaawaatiro

0.5 m (1.6 ft)1

Sipiidi esinga

nga 27 km/h (17 mph)

Okubuuka, kuteebereza

Yabeerawo ddi?

Tiriyasi

Jurasiki

Kuretasi

Emyaka obukadde 252 emabega20114566, asteroyidi

Yali munene atya?

Ebiwaawaatiro bye byali bigazi kwenkana wa?

yandibuuse okusomoka ekisaawe ky'omupiira kyonna mu sikonda 14

Yuanjiawaornis yali munene atya bw'ogeraageranya ku GGWE?

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Yali wa mbiro kwenkana wa?

Omuntu atambula nga 5 km/h (3 mph)

Omwana ku kagaali nga 12 km/h (7 mph)

Yuanjiawaornis nga 27 km/h (17 mph)

Embalaasi edduka ennyo nga 65 km/h (40 mph)

Cheetah nga 100 km/h (62 mph)

ebintu ebinyuvu

Ebyewuunyisa

Yuanjiawaornis is known from a nearly complete skeleton without a skull, found in 2005 by a paleontologist near the village of Yuanjiawa.1

Most enantiornithine birds were as small as sparrows or starlings, but Yuanjiawaornis was much larger, about the size of Zhouornis.1 2

The fossil of Yuanjiawaornis has no preserved feathers, which is unusual for bird fossils from Liaoning.1

Yuanjiawaornis lived during the Early Cretaceous period, about 120 million years ago, in the Jiufotang Formation.1 3

The holotype specimen was probably a young adult, because its wrist bones were not fully fused.2

Yuanjiawaornis had a uniquely shaped synsacrum (a fused part of the backbone) that may be special to enantiornithine birds.2

Ekifaananyi kya Yuanjiawaornis ekyakolebwa AI, nga kiraga engeri gye yayinza okuba ng'afaanana, ekyakolebwa kompyuta okusinziira ku ebyo bannassaayansi bye bamanyi. Kuteebereza: ekisolo ekyennyini kiyinza okuba nga kyali kifaanana bulala, era tewali amanyi langi zaakyo ez'amazima.

Eri abakugu mu dayinoso

Erinnya lya ssaayansi: Yuanjiawaornis
Yatuumibwa: Hu et al. 20154
Ekibinja: Ebinyonyi eby'olubereberye
Ekika / ekibinja: Enantiornithes4
Engabanya: Theropoda > Avialae4
Emyaka gy'enjazi: emyaka obukadde 121 okutuuka ku 113 (Aptian)4
Ensengeka z'enjazi: Jiufotang4
Ensi: Cayina4
Ebisigalira ebyazuulibwa: 1 mu The Paleobiology Database4
Okuzuulibwa: Yuanjiawaornis was named in 2015 by Hu Dongyu and colleagues based on a skeleton found in 2005 near Yuanjiawa village in Liaoning, China.1 2
Kikyakubaganyizibwako ebirowoozo: Scientists are not sure exactly how Yuanjiawaornis is related to other enantiornithine birds, because its skull is missing.1

Ebituufu gye biva

Yuanjiawaornis (en.wikipedia.org)
Yuanjiawaornis viriosus , gen. et sp. nov., a large enantiornithine bird from the Lower Cretaceous of western Liaoning, China (sciencedirect.com)
PBDB Taxon (paleobiodb.org)
Yuanjiawaornis in The Paleobiology Database (CC BY 4.0): emyaka, ebifo, ensengeka z'enjazi, engabanya.

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