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Caihong

Izenaren esanahia: “rainbow big crest”1
Jaten zuen: HaragiaDino haragijaleakGoi Jurasikoa

Caihong was a tiny, feathered dinosaur that lived about 161 million years ago. It had shiny, rainbow-colored feathers on its head, chest and tail, like a hummingbird. This little meat-eater was only as long as a ruler and weighed about as much as a can of soup.12

Bizi izan zen
Duela 162 eta 155 milioi urte artean3
Goi Jurasikoa
Fosilak hemen aurkitu dira:
Gangou, Qinglong County, Hebei Province, China12
Luzera
0,4 m (1,3 ft)2
Hego-zabalera
0,44 m (1,4 ft)2
Pisua
0,475 kg (1 lb)12
Altuera
0,16 m (0,5 ft)
kalkulua
Abiadura maximoa
17 km/h inguru (11 mph)
Korrika egitea, kalkulua

Noiz bizi izan zen?

Triasikoa
Jurasikoa
Kretazeoa
Duela 252 milioi urte20114566, asteroidea

Zein handia zen?

Zein luzea zen?

Caihong 0,4 m inguru luze (1,3 ft)Etxeko katu bat 0,5 m inguru (1,6 ft)Txakur bat 1 m inguru (3,3 ft)Heldu baten bizikleta 1,8 m inguru (5,9 ft)

Zein altua zen?

Caihong0,16 m inguru altu (0,5 ft)Etxeko katu bat0,3 m inguru (1 ft)Txakur bat0,5 m inguru (1,6 ft)Zaldi bat1,6 m inguru (5,2 ft)

kalkulua

Zein astuna zen?

4 banana bezain astun
bata bestearen atzean jarritako 2 banana bezain luzeetxeko katu bat baino arinagoailaran jarritako 12 eraikuntza-pieza bezain luzeaulki baten azpitik ibiltzeko bezain txikia100 metro 21 segundotan egin zitzakeen korrika (gizakirik azkarrenak 9,6 behar ditu)

Zein handia zen Caihong ZUREKIN alderatuta?

Zure nabigatzaileko kalkulu hutsak. Ez da ezer gordetzen ez inora bidaltzen.

Zein azkarra zen?

gauza bikainak

Datu dibertigarriak

1

Caihong had a big bony crest on its skull, which is unusual for a close relative of birds.12

2

Its tail feathers were asymmetrical, like the flight feathers of modern birds, and gave it a tail surface area even larger than that of Archaeopteryx.1

3

Caihong had longer arm and leg feathers than its relative Anchiornis.1

4

Its forearm bones (ulna and radius) were longer than its upper arm bone (humerus), a feature seen in more advanced birds.1

5

The fossil preserves nanostructures that look like the melanosomes that create iridescent colors in living birds, so Caihong probably had shiny, rainbow-like feathers.12

6

Caihong lived during the Oxfordian age of the Jurassic Period, about 161 million years ago.12

AAk eginaCaihong: AAk egindako irudia
Caihong nolakoa izan zitekeen erakusten duen AAk egindako irudia, ordenagailu batek zientzialariek dakitenetik sortua. Asmakizun bat da: benetako animalia desberdina izan zitekeen, eta inork ez daki zein ziren bere benetako koloreak.
zure galderak

Caihong: gehien egindako galderak

?How big was Caihong?

About 40 centimetres (16 inches) long and weighed about 475 grams (16.8 ounces). That is about as long as a ruler and as heavy as a can of soup.2

?Did Caihong have feathers?

Yes, it had feathers on its arms, legs, tail, head and chest. The fossil even preserved the feather shapes and colour-making structures.21

?What did Caihong eat?

It was a meat-eater. Its sharp, recurved teeth show it ate small animals like insects or lizards.2

?Why did Caihong have a crest?

Scientists think the bony crest on its skull was used for showing off. It may have helped attract mates or signal to others.1

?Could Caihong fly?

It had long arm and tail feathers with asymmetrical vanes, like modern flying birds, and longer forearms than its upper arms. This suggests it could glide or flap, but it probably was not a strong flier.12

?When did Caihong live?

It lived about 161 million years ago, during the Oxfordian age of the Late Jurassic Period.21

Dino adituentzat

Izen zientifikoa
Caihong
Izendatzailea:
Hu et al. 20183
Taldea
Dino haragijaleak
Familia / klada
Paraves3
Sailkapena
Theropoda3
Arroken adina
162 eta 155 milioi urte artean (Oxfordian)3
Arroka-formazioak
Tiaojishan3
Herrialdeak
Txina3
Fosil-erregistroak
1 The Paleobiology Database datu-basean3
Aurkikuntza
A farmer named Yang Jun found the skeleton in a quarry near Nanshimenzi Village, China, in February 2014. It was later named Caihong juji in 2018 by a team of scientists led by Hu Dongyu.12
Oraindik eztabaidagai
Scientists are still debating exactly how Caihong used its long feathers and asymmetrical tail, and whether it could fly or just glide.1

Datuak nondik datozen

  1. A bony-crested Jurassic dinosaur with evidence of iridescent plumage highlights complexity in early paravian evolution | Nature Communications (nature.com)
  2. Caihong (en.wikipedia.org)
  3. Caihong in The Paleobiology Database (CC BY 4.0): adina, tokiak, arroka-formazioak, sailkapena.

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