Yuornis

Lebitso le bolela: “Henan bird, after the Chinese abbreviation for Henan province”1

E jele: NamaDinonyana tsa peleKretase ya Morao

Yuornis was a bird that lived alongside the last dinosaurs. It had a toothless beak, just like modern birds, which was very rare for its time.1

E phetse

dilemo tse dimilione tse 72 ho isa ho 66 tse fetileng3

Kretase ya Morao

Difosili di fumanwe ho

Qiupa Formation, Luanchuan Basin, Henan, China3 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 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)

Yuornis 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

Yuornis is one of the most complete Late Cretaceous enantiornithine birds ever found, with a three-dimensionally preserved skull.1

Unlike most enantiornithines, Yuornis had no teeth. Its skull looked a lot like modern birds because it lost several bones, like the lacrimal and postorbital.1

The name Yuornis comes from 'Yu', the one-character abbreviation for Henan province in China, where it was discovered.1

Yuornis lived about 72 to 66 million years ago, during the very end of the Age of Dinosaurs.3

Its closest relative might be Gobipteryx, another toothless bird from the Late Cretaceous, but scientists are not sure because tooth loss evolved many times.1

Setshwantsho sa Yuornis se entsweng ke AI — Setshwantsho se entsweng ke AI, se bontshang kamoo Yuornis 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: Yuornis
E rehilwe ke: Xu et al. 20213
Sehlopha: Dinonyana tsa pele
Lelapa / leloko: Enantiornithes3
Tlhophiso: Theropoda > Avialae3
Dilemo tsa mafika: dilemo tse dimilione tse 72 ho isa ho 66 (Maastrichtian)3
Dibopeho tsa mafika: Qiupa3
Dinaha: Tjhaena3
Direkoto tsa difosili: 1 ho The Paleobiology Database3
Ho sibollwa: Yuornis was named in 2021 by Xu Li and colleagues. The species name junchangi honors paleontologist Lü Junchang. The fossil was found in the Qiupa Formation of Henan, China.1 2
E sa ntse e phehwa kgang: Scientists are not sure whether Yuornis belongs to the family Gobipterygidae, because the features linking it to that group are all related to tooth loss, which evolved many times separately.1

Moo dintlha di tswang teng

Yuornis (en.wikipedia.org)
PBDB Taxon (paleobiodb.org)
Yuornis in The Paleobiology Database (CC BY 4.0): dilemo, dibaka, dibopeho tsa mafika, tlhophiso.

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