Yi

Hiika maqaa: “strange wing”1

Kan nyaate: FoonDaayinoowwan foon nyaatanJuraasikii Gidduu hanga Juraasikii Dhumaa

Yi was a tiny dinosaur that lived about 160 million years ago. It had wings made of skin, like a bat, instead of feathers like a bird. Yi could glide from tree to tree in the forests of ancient China.2 1

Kan jiraate

waggaa miliyoona 165 hanga 155 dura3

Juraasikii Gidduu hanga Juraasikii Dhumaa

Fosiliiwwan kan itti argaman

Hebei Province, China1 2

Ulfaatina

0.38 kg (1 lb)1

Saffisa ol'aanaa

gara 16 km/sa'a (10 mph)

Fiiguu, tilmaama

Yoom jiraate?

Tiraayaasikii

Juraasikii

Kireetaashasii

waggaa miliyoona 252 dura20114566, asteerooyidii

Hammam guddaa ture?

Hammam ulfaataa ture?

akka muuzii 3 ulfaata

adurree manaa caalaa salphaameetira 100 sekondii 22 keessatti fiiguu danda'a (namni hunda caalaa saffisaan 9.6 barbaada)

SI wajjin yoo wal bira qabamu, Yi hammam guddaa ture?

Herrega qofa barbaadduu kee keessatti. Wanti tokkollee hin olkaa'amu, eessayyuu hin ergamu.

Hammam saffisaa ture?

Nama miilaan deemu gara 5 km/sa'a (3 mph)

Daa'ima saayikilii irra jiru gara 12 km/sa'a (7 mph)

Yi gara 16 km/sa'a (10 mph)

Farda gulufu gara 65 km/sa'a (40 mph)

Cheetaa gara 100 km/sa'a (62 mph)

wantoota bareedoo

Odeeffannoowwan bashannansiisoo

Yi had a long, rod-like bone sticking out from each wrist. This bone helped support a skin membrane that made up its wing.2 1

Yi's wings were different from any other dinosaur. They were made of skin, like a bat's wing, not feathers like a bird's.2 1

Yi weighed only about 380 grams (0.84 pounds), which is less than a can of soda.1

The only fossil of Yi was found by a farmer named Wang Jianrong in a quarry near Mutoudeng Village, China.1

Yi had a short, blunt snout and only a few teeth at the front of its jaws. The front teeth pointed slightly forward.1

Yi's third finger was the longest on its hand, which helped support its wing membrane.1

Yi lived in a warm, humid forest with ginkgo trees, conifers, and ferns, near lakes and active volcanoes.1

Fakkii AI'n hojjetame: Yi — Fakkii AI'n hojjetame kan Yi maal fakkaachuu akka danda'u agarsiisu, kompiitaraan beekumsa saayintistootaa irratti hundaa'uun hojjetame. Tilmaama qofa: bineensi dhugaa adda ta'ee mul'achuu danda'a, halluu isaa dhugaa immoo namni beeku hin jiru.

Ogeeyyii daayinootiif

Maqaa saayinsii: Yi
Kan maqaa baase: Xu et al. 20153
Garee: Daayinoowwan foon nyaatan
Maatii / kilaadii: Scansoriopterygidae3
Ramaddii: Theropoda3
Umurii dhagaawwanii: waggaa miliyoona 165 hanga 155 (Callovian / Oxfordian)3
Caasaawwan dhagaa: Tiaojishan3
Biyyoota: Chaayinaa3
Galmee fosilii: 1 The Paleobiology Database keessa3
Argannoo: Yi was named in 2015 by a team led by Xu Xing. The only fossil was bought by the Shandong Tianyu Museum of Nature in 2007 and prepared by museum staff.1 2
Ammallee falmisiisaa: Scientists are not sure if the rod-like wrist bone was a new bone or a hardened piece of cartilage.1

Odeeffannoon eessaa dhufa

Yi (dinosaur) (en.wikipedia.org)
A bizarre Jurassic maniraptoran theropod with preserved evidence of membranous wings | Nature (nature.com)
Yi in The Paleobiology Database (CC BY 4.0): umurii, bakkeewwan, caasaawwan dhagaa, ramaddii.

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