Vescornis

Lebitso le bolela: “evening bird”1

E jele: NamaDinonyana tsa peleKretase ya Pele

Vescornis was a tiny, feathered dinosaur that could fly. It lived during the Early Cretaceous, about 122 million years ago, in what is now China. This little bird had long foot claws and short wing fingers, which made it great at flying but not so good at climbing trees.1 2

E phetse

dilemo tse dimilione tse 126 ho isa ho 120 tse fetileng4

Kretase ya Pele

Difosili di fumanwe ho

Hebei Province, China1 2

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)

Vescornis 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

Vescornis had very small wing claws and long, strong foot claws, which helped it fly better but made it worse at climbing than many other early birds.2

The only known fossil of Vescornis was first thought to come from the Yixian Formation, but later geologists realized it was actually from the Huajiying Formation.1

Vescornis might be the same animal as another early bird called Jibeinia, but scientists are not sure because the Jibeinia fossil got lost.1

The name 'Hebeiornis' was given to the same fossil in 1999, but that name is not used because it was not described well enough.1

Vescornis lived about 122 million years ago, during the Early Cretaceous period.1

Setshwantsho sa Vescornis se entsweng ke AI — Setshwantsho se entsweng ke AI, se bontshang kamoo Vescornis 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.

Mosenyi wa ditshomo

Tshomo: Some people think Vescornis was a true bird like modern birds.

Nnete: Vescornis was an enantiornithine, a group of ancient birds that had teeth and claws, and it is not a direct ancestor of today's birds.1

Bakeng sa ditsebi tsa didinosaure

Lebitso la saense: Vescornis
E rehilwe ke: Zhang et al. 20044
Sehlopha: Dinonyana tsa pele
Lelapa / leloko: Enantiornithes4
Tlhophiso: Theropoda > Avialae4
Dilemo tsa mafika: dilemo tse dimilione tse 126 ho isa ho 120 (Barremian / Aptian)4
Dibopeho tsa mafika: Yixian4
Dinaha: Tjhaena4
Direkoto tsa difosili: 1 ho The Paleobiology Database4
Ho sibollwa: The fossil was found in Hebei Province, China, and was described by Zhang and colleagues in 2004. It is stored at the Nanjing Institute of Geology and Paleontology.1
E sa ntse e phehwa kgang: Scientists still debate whether Vescornis is the same species as Jibeinia, because the Jibeinia fossil is lost and the two look very similar.1

Moo dintlha di tswang teng

Vescornis (en.wikipedia.org)
Description of a new enantiornithine bird from the Early Cretaceous of Hebei, northern China (cdnsciencepub.com)
PBDB Taxon (paleobiodb.org)
Vescornis in The Paleobiology Database (CC BY 4.0): dilemo, dibaka, dibopeho tsa mafika, tlhophiso.

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