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Katuuni ya Zhongjianornis
Kaadi ya dayinoso No. 2014 ku 2 027

Zhongjianornis

Erinnya litegeeza: “Zhongjian's bird, named after the founder of the Institute of Vertebrate Paleontology and Paleoanthropology, Yang Zhongjian”1
Yalyanga: EnnyamaEbinyonyi eby'olubereberyeEntandikwa ya Kuretasi

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

Yabeerawo
emyaka obukadde 121 okutuuka ku 113 emabega4
Entandikwa ya Kuretasi
Ebisigalira byazuulibwa mu
Jianchang, Liaoning Province, China (Jiufotang Formation)13
Obuwanvu
0.2 okutuuka ku 0.3 m (0.7 okutuuka ku 1 ft)13
Obuzito
0.3 kg okutuuka ku 0.5 kg (1 okutuuka ku 1 lb)1
Obugulumivu
0.14 m (0.5 ft)
kuteebereza
Sipiidi esinga
nga 28 km/h (17 mph)
Okubuuka, kuteebereza

Yabeerawo ddi?

Tiriyasi
Jurasiki
Kuretasi
Emyaka obukadde 252 emabega20114566, asteroyidi

Yali munene atya?

Yali muwanvu kwenkana wa?

Zhongjianornis obuwanvu nga 0.3 m (1 ft)Kkapa ow'awaka nga 0.5 m (1.6 ft)Embwa nga 1 m (3.3 ft)Akagaali k'omukulu nga 1.8 m (5.9 ft)

Yali mugulumivu kwenkana wa?

Zhongjianornisobugulumivu nga 0.14 m (0.5 ft)Kkapa ow'awakanga 0.3 m (1 ft)Embwanga 0.5 m (1.6 ft)Embalaasinga 1.6 m (5.2 ft)

kuteebereza

Yali muzito kwenkana wa?

obuzito ng'obw'amenvu 4
obuzito butono okusinga kkapa ow'awakaobuzito ng'obw'amenvu 4obuwanvu ng'amatoffaali g'ebikinisa 9 mu lunyiririmutono nnyo nga asobola okuyita wansi w'entebeyandibuuse okusomoka ekisaawe ky'omupiira kyonna mu sikonda 14

Zhongjianornis yali munene atya bw'ogeraageranya ku GGWE?

Kubala kwokka mu browser yo. Tewali kiterekebwa wadde okusindikibwa wonna.

Yali wa mbiro kwenkana wa?

ebintu ebinyuvu

Ebyewuunyisa

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

Kyakolebwa AIEkifaananyi kya Zhongjianornis ekyakolebwa AI
Ekifaananyi kya Zhongjianornis 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.
wabuuza

Ebibuuzo ebisinga okubuuzibwa ku 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

Omumenyi w'enfumo

Enfumo: Zhongjianornis was the most primitive toothless bird.

Amazima: 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

Eri abakugu mu dayinoso

Erinnya lya ssaayansi
Zhongjianornis
Yatuumibwa
Zhou et al. 20104
Ekibinja
Ebinyonyi eby'olubereberye
Ekika / ekibinja
Ornithuromorpha4
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
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
Kikyakubaganyizibwako ebirowoozo
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

Ebituufu gye biva

  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): emyaka, ebifo, ensengeka z'enjazi, engabanya.

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