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Chithunzi choseketsa cha Yixianornis
Khadi la dino Na. 1975 mwa 2 027

Yixianornis

Dzina limatanthauza: “Yixian Formation bird”1
Ankadya: NyamaMbalame zoyambiriraKumayambiriro kwa Kretase

Yixianornis was a bird that lived 120 million years ago in what is now China. It was about the size of a chicken and had broad, rounded wings that helped it fly through dense forests. Its tail feathers could fan out like a modern bird's tail.1

Ankakhala
zaka 121 mpaka 113 miliyoni zapitazo2
Kumayambiriro kwa Kretase
Mafosili apezeka ku
Qianyang, Yixian County, Liaoning Province, China12
Utali
0.19 mpaka 0.2 m (0.6 mpaka 0.7 ft)1
Kutambalala kwa mapiko
0.4 m (1.3 ft)1
Kulemera
0.2 kg mpaka 0.35 kg (0 mpaka 1 lb)1
Msinkhu
0.115 m (0.4 ft)1
Liwiro lalikulu kwambiri
pafupifupi 25 km/h (16 mph)
Kuuluka, kuyerekeza

Ankakhala liti?

Triasiki
Jurasiki
Kretase
Zaka 252 miliyoni zapitazo20114566, asteroidi

Anali wamkulu bwanji?

Anali wautali bwanji?

Yixianornis utali wa pafupifupi 0.2 m (0.7 ft)Mphaka wa pakhomo pafupifupi 0.5 m (1.6 ft)Galu pafupifupi 1 m (3.3 ft)Njinga ya munthu wamkulu pafupifupi 1.8 m (5.9 ft)

Msinkhu wake unali wautali bwanji?

Yixianornismsinkhu wa pafupifupi 0.115 m (0.4 ft)Mphaka wa pakhomopafupifupi 0.3 m (1 ft)Galupafupifupi 0.5 m (1.6 ft)Hatchipafupifupi 1.6 m (5.2 ft)

Ankalemera bwanji?

wolemera ngati nthochi 3
wopepuka kuposa mphaka wa pakhomowautali ngati zidutswa zomangira za zidole 6 pamzerewamng'ono moti angayende pansi pa mpandoakanatha kuuluka kudutsa bwalo lonse la mpira m'masekondi 15

Yixianornis anali wamkulu bwanji poyerekeza ndi IWEYO?

Ndi masamu chabe mu msakatuli wako. Palibe chimene chimasungidwa kapena kutumizidwa kwina kulikonse.

Anali ndi liwiro lotani?

zinthu zosangalatsa

Mfundo zosangalatsa

1

Yixianornis is one of the best-preserved bird fossils from the Jehol group, with bones that are mostly uncrushed and clear impressions of wing and tail feathers.1

2

Its tail feathers were arranged in a graduated series, with the outer feathers anchored closer to the base of the tail, giving it a rounded silhouette.1

3

Yixianornis had a rectrical bulb, a muscle that allows tail feathers to be fanned out during flight and retracted when at rest, just like in modern birds.1

4

The tips of its jaws were toothless and had small pits and grooves, possibly indicating the presence of a beak.1

5

Its flight feathers were very broad and rounded, not narrow and pointed like in many other early birds.1

6

Scientists think Yixianornis was diurnal, meaning it was active during the day, similar to most modern birds.1

7

Yixianornis is the most primitive bird known to have an essentially modern pygostyle and fan of tail feathers.1

Chopangidwa ndi AIChithunzi cha Yixianornis chopangidwa ndi AI
Chithunzi cha momwe Yixianornis mwina ankaonekera, chopangidwa ndi kompyuta kuchokera pa zomwe asayansi amadziwa. Ndi kungoyerekeza: nyama yeniyeniyo mwina inkaoneka mosiyana, ndipo palibe amene akudziwa mitundu yake yeniyeni.

Kwa akatswiri a madino

Dzina la sayansi
Yixianornis
Anapatsidwa dzina ndi
Zhou and Zhang 20012
Gulu
Mbalame zoyambirira
Banja / kladi
Hongshanornithidae2
Magawidwe a sayansi
Theropoda > Avialae2
Zaka za miyala
zaka 121 mpaka 113 miliyoni (Aptian)2
Mapangidwe a miyala
Jiufotang2
Mayiko
China2
Zolemba za mafosili
1 mu The Paleobiology Database2
Kupezeka
Yixianornis was named by Zhou Zhonghe and Zhang Fucheng in 2001 based on a nearly complete fossil with feather impressions found in the Jiufotang Formation of Liaoning, China.12
Akukambiranabe
Scientists are still debating whether Yixianornis had a beak at the tips of its jaws, because the pits and grooves could also be from other features.1

Kumene mfundo zimachokera

  1. Yixianornis (en.wikipedia.org)
  2. Yixianornis in The Paleobiology Database (CC BY 4.0): zaka, malo, mapangidwe a miyala, magawidwe a sayansi.

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Ena a gulu lomweli: Mbalame zoyambirira

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Enanso a nthawi yomweyo: Kumayambiriro kwa Kretase

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