Yuanjiawaornis

Lebitso le bolela: “bird from Yuanjiawa”1

E jele: NamaDinonyana tsa peleKretase ya Pele

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

E phetse

dilemo tse dimilione tse 121 ho isa ho 113 tse fetileng4

Kretase ya Pele

Difosili di fumanwe ho

Liaoning Province, China1 2

Bophara ba mapheo

0.5 m (1.6 ft)1

Lebelo le phahameng ka ho fetisisa

e ka bang 27 km/h (17 mph)

Ho fofa, kakanyo

E phetse neng?

Triasiki

Jurasiki

Kretase

Dilemo tse dimilione tse 252 tse fetileng20114566, asteroiti

E ne e le kgolo hakae?

Mapheo a yona a ne a pharaletse hakae?

e ne e ka fofa ho tshela lebala lohle la bolo ya maoto ka metsotswana e 14

Yuanjiawaornis e ne e le kgolo hakae ha e bapiswa le WENA?

Ke dipalo feela ho browser ya hao. Ha ho letho le bolokwang kapa le romelwang kae kapa kae.

E ne e le lebelo hakae?

Motho ya tsamayang ka maoto e ka bang 5 km/h (3 mph)

Ngwana a palame baesekele e ka bang 12 km/h (7 mph)

Yuanjiawaornis e ka bang 27 km/h (17 mph)

Pere e mathang ka matla e ka bang 65 km/h (40 mph)

Lengau e ka bang 100 km/h (62 mph)

dintho tse monate

Dintlha tse monate

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

Setshwantsho sa Yuanjiawaornis se entsweng ke AI — Setshwantsho se entsweng ke AI, se bontshang kamoo Yuanjiawaornis e ka beng e ne e shebahala kateng, se entswe ke khomphutha ho ya ka seo bo-ramahlale ba se tsebang. Ke ho hakanya feela: phoofolo ya nnete e ka nna ya ba e ne e shebahala ka tsela e nngwe, mme ha ho motho ya tsebang mebala ya yona ya nnete.

Bakeng sa ditsebi tsa didinosaure

Lebitso la saense: Yuanjiawaornis
E rehilwe ke: Hu et al. 20154
Sehlopha: Dinonyana tsa pele
Lelapa / leloko: Enantiornithes4
Tlhophiso: Theropoda > Avialae4
Dilemo tsa mafika: dilemo tse dimilione tse 121 ho isa ho 113 (Aptian)4
Dibopeho tsa mafika: Jiufotang4
Dinaha: Tjhaena4
Direkoto tsa difosili: 1 ho The Paleobiology Database4
Ho sibollwa: 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
E sa ntse e phehwa kgang: Scientists are not sure exactly how Yuanjiawaornis is related to other enantiornithine birds, because its skull is missing.1

Moo dintlha di tswang teng

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): dilemo, dibaka, dibopeho tsa mafika, tlhophiso.

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