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Igishushanyo cya Zhongjianornis
Ikarita ya dinozore nimero 2014 muri 2 027

Zhongjianornis

Izina risobanura: “Zhongjian's bird, named after the founder of the Institute of Vertebrate Paleontology and Paleoanthropology, Yang Zhongjian”1
Yaryaga: InyamaInyoni za mbereKiretase ya mbere

Zhongjianornis was a pigeon-sized bird that lived in China during the Early Cretaceous, about 120 million years ago. It had a toothless beak and strong wing muscles, making it a good flier. This little bird helps scientists understand how early birds evolved and lost their teeth.12

Yabayeho
hashize imyaka miliyoni 121 kugeza 1134
Kiretase ya mbere
Ibisigazwa byabonetse muri
Jianchang, Liaoning Province, China (Jiufotang Formation)13
Uburebure
0,2 kugeza 0,3 m (0,7 kugeza 1 ft)13
Uburemere
0,3 kg kugeza 0,5 kg (1 kugeza 1 lb)1
Ubutumburuke
0,14 m (0,5 ft)
igereranya
Umuvuduko wo hejuru
nka 28 km/h (17 mph)
Kuguruka, igereranya

Yabayeho ryari?

Triyasike
Jurasike
Kiretase
Hashize miliyoni 252 z'imyaka20114566, asiteroyide

Yanganaga ite?

Yari ndende ite?

Zhongjianornis nka 0,3 m z'uburebure (1 ft)Injangwe yo mu rugo nka 0,5 m (1,6 ft)Imbwa nka 1 m (3,3 ft)Igare ry'umuntu mukuru nka 1,8 m (5,9 ft)

Ubutumburuke bwayo bwanganaga iki?

Zhongjianornisnka 0,14 m z'ubutumburuke (0,5 ft)Injangwe yo mu rugonka 0,3 m (1 ft)Imbwanka 0,5 m (1,6 ft)Ifarashinka 1,6 m (5,2 ft)

igereranya

Yari iremereye ite?

iremereye nk'imineke 4
yoroheje kurusha injangwe yo mu rugoiremereye nk'imineke 4ndende nk'ibikinisho 9 byo kubaka bikurikiranyento ku buryo yanyura munsi y'intebeyashoboraga kuguruka ikambuka ikibuga cyose cy'umupira w'amaguru mu masegonda 14

Zhongjianornis yanganaga ite ugereranyije NAWE?

Ni imibare gusa ibarirwa muri mushakisha yawe. Nta kintu kibikwa cyangwa cyoherezwa ahandi.

Yihutaga ite?

utuntu twiza cyane

Utuntu dushimishije

1

Zhongjianornis is one of the most primitive birds known to have completely lost its teeth, developing a beak instead.2

2

Its humerus had a large, robust deltopectoral crest, which was as wide as the bone shaft and more than one-third the total length of the humerus, indicating strong flight muscles.3

3

The only known fossil of Zhongjianornis is a nearly complete skeleton with some poorly preserved feather imprints.3

4

Zhongjianornis lived during the Aptian age of the Early Cretaceous, about 121 to 113 million years ago.3

5

Scientists initially thought Zhongjianornis was very primitive, but later research in 2012 suggested it was more similar to advanced euornithean birds like Chaoyangia.1

6

The species name yangi honors Yang Zhongjian, the founder of the Institute of Vertebrate Paleontology and Paleoanthropology in Beijing.1

Byakozwe na AIIshusho ya Zhongjianornis yakozwe na AI
Ishusho yakozwe na AI yerekana uko Zhongjianornis ishobora kuba yari isa, yakozwe na mudasobwa hashingiwe ku byo abahanga bazi. Ni ugukeka gusa: inyamaswa nyayo ishobora kuba yari isa ukundi, kandi nta muntu uzi amabara yayo nyayo.
wabajije

Ibibazo bibazwa cyane kuri Zhongjianornis

?How big was Zhongjianornis?

About the size of a pigeon. It was a small bird.1

?Did Zhongjianornis have teeth?

No, it had a toothless beak. It is one of the most primitive birds known to have completely lost its teeth.12

?What did Zhongjianornis eat?

Scientists are not sure, but its toothless beak suggests it may have eaten seeds or small insects.1

Gusenya ibinyoma

Ibivugwa: Zhongjianornis was the most primitive toothless bird.

Ukuri: While initially thought to be very primitive, later analysis in 2012 showed that Zhongjianornis is more closely related to advanced euornithean birds, not the most primitive.1

Ku bazobereye muri dinozore

Izina rya siyansi
Zhongjianornis
Yiswe na
Zhou et al. 20104
Itsinda
Inyoni za mbere
Umuryango / ishami
Ornithuromorpha4
Ishyirwa mu byiciro
Theropoda > Avialae4
Imyaka y'amabuye
imyaka miliyoni 121 kugeza 113 (Aptian)4
Inzego z'amabuye
Jiufotang4
Ibihugu
Ubushinwa4
Ibisigazwa byanditswe
1 muri The Paleobiology Database4
Ivumburwa
Zhongjianornis was named and described by Zhou, Zhang, and Li in a paper published in January 2010 (though it appeared online in 2009). The only fossil, a nearly complete skeleton, was found at Jianchang in Liaoning Province, China.12
Biracyagibwaho impaka
Scientists still debate whether Zhongjianornis was a very primitive bird or a more advanced euornithean, due to conflicting interpretations of its fossil's anatomy.1

Aho amakuru yakuwe

  1. Zhongjianornis (en.wikipedia.org)
  2. A new Lower Cretaceous bird from China and tooth reduction in early avian evolution (royalsocietypublishing.org)
  3. PBDB Taxon (paleobiodb.org)
  4. Zhongjianornis in The Paleobiology Database (CC BY 4.0): imyaka, ahantu, inzego z'amabuye, ishyirwa mu byiciro.

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Izindi zo mu itsinda rimwe: Inyoni za mbere

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Izindi zo mu gihe kimwe: Kiretase ya mbere

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