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Caihong

Il num vul dir: “rainbow big crest”1

Mangiava: CharnDinos carnivorsGiurassic tardiv

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.1 2

Viveva

avant 162 fin 155 milliuns onns3

Giurassic tardiv

Fossils chattads en

Gangou, Qinglong County, Hebei Province, China1 2

Lunghezza

0,4 m (1,3 ft)2

Ladezza da las alas

0,44 m (1,4 ft)2

Paisa

0,475 kg (1 lb)1 2

Autezza

0,16 m (0,5 ft)

stima

Spertadad maximala

var 17 km/h (11 mph)

Currer, stima

Cura viveva el?

Triassic

Giurassic

Cretacic

avant 252 milliuns onns20114566, l'asteroid

Quant grond era el?

Quant lung era el?

Quant aut era el?

stima

Quant grev era el?

uschè grev sco 4 bananas

uschè lung sco 2 bananas ina suenter l'autrapli lev ch'in giat da chasauschè lung sco 12 bloccs da construcziun in suenter l'auteruschè pitschen ch'el pudeva ir sut ina sutgapudess currer 100 meters en 21 secundas (il pli spert uman dovra 9,6)

Quant grond era Caihong cumpareglià cun TAI?

Mo matematica en tes navigatur. Nagut na vegn arcunà u tramess.

Quant spert era el?

Ina persuna che va a pe var 5 km/h (3 mph)

In uffant sin il velo var 12 km/h (7 mph)

Caihong var 17 km/h (11 mph)

In chaval che galoppescha var 65 km/h (40 mph)

In gepard var 100 km/h (62 mph)

chaussas cool

Fatgs divertents

Caihong had a big bony crest on its skull, which is unusual for a close relative of birds.1 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

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

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

The fossil preserves nanostructures that look like the melanosomes that create iridescent colors in living birds, so Caihong probably had shiny, rainbow-like feathers.1 2

Caihong lived during the Oxfordian age of the Jurassic Period, about 161 million years ago.1 2

Maletg da Caihong fatg cun IA — In maletg fatg cun IA che mussa co Caihong pudess avair guardà ora, fatg d'in computer tenor quai che la scienza sa. I sa tracta d'ina supposiziun: l'animal vair ha forsa guardà ora auter, e sias colurs vairas èn nunenconuschentas.

tias dumondas

Las dumondas las pli frequentas davart Caihong

?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.2 1

?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.1 2

?When did Caihong live?

It lived about 161 million years ago, during the Oxfordian age of the Late Jurassic Period.2 1

Per experts da dinos

Num scientific: Caihong
Numnà da: Hu et al. 20183
Gruppa: Dinos carnivors
Famiglia / clada: Paraves3
Classificaziun: Theropoda3
Vegliadetgna da la crappa: 162 fin 155 milliuns onns (Oxfordian)3
Formaziuns da crap: Tiaojishan3
Pajais: China3
Chats da fossils: 1 en The Paleobiology Database3
Scuverta: 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.1 2
Anc discutà: Scientists are still debating exactly how Caihong used its long feathers and asymmetrical tail, and whether it could fly or just glide.1

Danunder che vegnan ils fatgs

A bony-crested Jurassic dinosaur with evidence of iridescent plumage highlights complexity in early paravian evolution | Nature Communications (nature.com)
Caihong (en.wikipedia.org)
Caihong in The Paleobiology Database (CC BY 4.0): vegliadetgna, lieus, formaziuns da crap, classificaziun.

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