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Chithunzi choseketsa cha Gretcheniao
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Gretcheniao

Dzina limatanthauza: “Gretchen's bird”31
Ankadya: NyamaMbalame zoyambiriraKumayambiriro kwa Kretase

Gretcheniao was a small, feathered bird that lived about 125 million years ago in what is now China. It had strong teeth and sharp claws, and it probably hunted for food on the ground. This bird could fly, but not for very long distances!32

Ankakhala
zaka 126 mpaka 120 miliyoni zapitazo3
Kumayambiriro kwa Kretase
Mafosili apezeka ku
Fossils were found in the Yixian Formation, near Huludao City in Liaoning Province, China.31
Utali
0.3 mpaka 0.5 m (1 mpaka 1.6 ft)1
Kulemera
0.19 kg mpaka 0.282 kg (0 mpaka 1 lb)1
Msinkhu
0.23 m (0.8 ft)
kuyerekeza
Liwiro lalikulu kwambiri
pafupifupi 35 km/h (22 mph)
Kuuluka, kuyerekeza

Ankakhala liti?

Triasiki
Jurasiki
Kretase
Zaka 252 miliyoni zapitazo20114566, asteroidi

Anali wamkulu bwanji?

Anali wautali bwanji?

Gretcheniao utali wa pafupifupi 0.5 m (1.6 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?

Gretcheniaomsinkhu wa pafupifupi 0.23 m (0.8 ft)Mphaka wa pakhomopafupifupi 0.3 m (1 ft)Galupafupifupi 0.5 m (1.6 ft)Hatchipafupifupi 1.6 m (5.2 ft)

kuyerekeza

Ankalemera bwanji?

wolemera ngati nthochi 2.5
wautali ngati nthochi 3 zotsatizanawopepuka kuposa mphaka wa pakhomowautali ngati zidutswa zomangira za zidole 16 pamzerewamng'ono moti angayende pansi pa mpandoakanatha kuuluka kudutsa bwalo lonse la mpira m'masekondi 11

Gretcheniao 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

Gretcheniao had a very long hand bone called a carpometacarpus, the longest of any of its relatives, even though its upper arm bone was only the third largest.1

2

Its breastbone had special projections that pointed backward and to the sides, which helped support its flight muscles.1

3

Gretcheniao's toes had long, curved claws, perfect for grabbing onto branches or prey.1

4

Scientists think Gretcheniao flew by flapping its wings continuously, but it could not fly for long distances, similar to modern chickens or quails.21

5

The fossil of Gretcheniao was so well preserved that some of its feathers left dark marks on the rock, especially around its neck and wing.1

6

Gretcheniao had a strong beak and thick lower jaw, which helped it bite into tough food.1

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

Wothetsa nthano zabodza

Nthano: Some people think Gretcheniao was a dinosaur like T. rex, but it was actually a bird.

Zoona: Gretcheniao was a type of bird called an enantiornithine, which is a group of ancient birds that lived alongside dinosaurs. Birds are related to dinosaurs, but they are not the same as the giant meat-eaters.31

Kwa akatswiri a madino

Dzina la sayansi
Gretcheniao
Anapatsidwa dzina ndi
Chiappe et al. 20193
Gulu
Mbalame zoyambirira
Banja / kladi
Enantiornithes3
Magawidwe a sayansi
Theropoda > Avialae3
Zaka za miyala
zaka 126 mpaka 120 miliyoni (Barremian / Aptian)3
Mapangidwe a miyala
Yixian3
Mayiko
China3
Zolemba za mafosili
1 mu The Paleobiology Database3
Kupezeka
Gretcheniao was named in 2019 by scientists studying a nearly complete skeleton found in China. The fossil was named after Mrs. Gretchen Augustyn, who supported the Dinosaur Institute, and 'sinensis' means 'from China'.1
Akukambiranabe
Scientists are still debating how Gretcheniao and its close relatives are related to each other. Some think they all belong to one group, but others think they evolved separately.21

Kumene mfundo zimachokera

  1. New Bohaiornis-like bird from the Early Cretaceous of China: enantiornithine interrelationships and flight performance (dinodata.de)
  2. New Bohaiornis -like bird from the Early Cretaceous of China: enantiornithine interrelationships and flight performance (pubmed.ncbi.nlm.nih.gov)
  3. Gretcheniao 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

ArchaeopteryxMbalame zoyambiriraHesperornisMbalame zoyambiriraIchthyornisMbalame zoyambiriraBaptornisMbalame zoyambiriraJurapteryxMbalame zoyambiriraGobipteryxMbalame zoyambirira

Enanso a nthawi yomweyo: Kumayambiriro kwa Kretase

StegosaurusMadino a mbale kumsanaIguanodonOdya zomera a milomoGiganotosaurusMadino odya nyamaMicroraptorMaraputalaDeinonychusMaraputalaBaryonyxMaspinosauri
Dyetsa Rexbokosi la mphatso la akuluakulu