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Caiuajara

Izina risobanura: “named after the Caiuá desert where it was found”1

Yaryaga: IbimeraIbikururanda bigurukaKiretase ya mbere kugeza Kiretase ya nyumaMu by'ukuri si dinozore

Caiuajara was a flying reptile that lived in a hot desert. It had a big crest on its head that grew steeper as it got older. Dozens of Caiuajara fossils were found together, showing they lived in colonies.1

Akantu gashimishije: pterozore zagurukaga hejuru ya dinozore, ariko zari babyara bazo, si dinozore ubwazo.

Yabayeho

hashize imyaka miliyoni 121 kugeza 724

Kiretase ya mbere kugeza Kiretase ya nyuma

Ibisigazwa byabonetse muri

Cruzeiro do Oeste, Paraná State, southern Brazil1

Ubugari bw'amababa

0,65 kugeza 2,35 m (2,1 kugeza 7,7 ft)1

Umuvuduko wo hejuru

nka 52 km/h (32 mph)

Kuguruka, igereranya

Yabayeho ryari?

Triyasike

Jurasike

Kiretase

Hashize miliyoni 252 z'imyaka20114566, asiteroyide

Yanganaga ite?

Amababa yayo yari arambuye angana iki?

ndende nk'injangwe 5 zo mu rugo zikurikiranyeyashoboraga kuguruka ikambuka ikibuga cyose cy'umupira w'amaguru mu masegonda 7,3

Caiuajara yanganaga ite ugereranyije NAWE?

Ni imibare gusa ibarirwa muri mushakisha yawe. Nta kintu kibikwa cyangwa cyoherezwa ahandi.

Yihutaga ite?

Umuntu ugenda n'amaguru nka 5 km/h (3 mph)

Umwana ku igare nka 12 km/h (7 mph)

Caiuajara nka 52 km/h (32 mph)

Ifarashi yiruka cyane nka 65 km/h (40 mph)

Ingwe yihuta cyane nka 100 km/h (62 mph)

utuntu twiza cyane

Utuntu dushimishije

Caiuajara is the first pterosaur found in southern Brazil. All other Brazilian pterosaurs come from the northeast.1

At least 47 individuals were found in one bone bed, which is very rare for pterosaurs.1

Young Caiuajara had a small, slanted head crest (about 115°). Adults had a larger, steeper crest (about 90°).1

Caiuajara could probably fly at a very young age. This is called being precocial.1

It lived around an oasis lake in a Cretaceous desert. Storms may have carried dead pterosaurs into the lake.1

Caiuajara belongs to a group called Tapejaridae, which had no teeth and are thought to have eaten fruit.1

Ishusho ya Caiuajara yakozwe na AI — Ishusho yakozwe na AI yerekana uko Caiuajara ishobora kuba yari isa, yakozwe na mudasobwa hashingiwe ku byo abahanga bazi. Ni ugukeka gusa: inyamaswa nyayo ishobora kuba yari isa ukundi, kandi nta muntu uzi amabara yayo nyayo.

wabajije

Ibibazo bibazwa cyane kuri Caiuajara

?How big was Caiuajara?

The largest Caiuajara had a wingspan of about 2.35 meters (7.7 feet). The smallest juveniles had a wingspan of about 0.65 meters (2.1 feet).1 3

?Did Caiuajara have teeth?

No, Caiuajara had no teeth. It belonged to a group of toothless pterosaurs called Tapejaridae.1 3

?What did Caiuajara eat?

Scientists think Caiuajara ate fruit, because other tapejarid pterosaurs are thought to have been frugivorous. However, no direct food remains have been found with the fossils.1 3

?Could Caiuajara fly?

Yes, Caiuajara could fly. Even very young individuals had well-developed flight muscles and could probably fly soon after hatching.1 3

?Where was Caiuajara found?

Caiuajara fossils were found in southern Brazil, near the town of Cruzeiro do Oeste in the state of Paraná. It is the first pterosaur discovered in southern Brazil.1 3

?Why did Caiuajara have a crest?

The crest on Caiuajara's head probably helped with display, like attracting mates or recognizing other members of its species. The crest grew larger and steeper as the animal got older.1 3

Ku bazobereye muri dinozore

Izina rya siyansi: Caiuajara
Yiswe na: Manzig et al. 20144
Itsinda: Ibikururanda biguruka
Umuryango / ishami: Tapejaridae4
Ishyirwa mu byiciro: Pterosauria > Pterodactyloidea4
Imyaka y'amabuye: imyaka miliyoni 121 kugeza 72 (Aptian / Campanian)4
Inzego z'amabuye: Goio-Erê4
Ibihugu: Burezili4
Ibisigazwa byanditswe: 1 muri The Paleobiology Database4
Ivumburwa: Caiuajara was named in 2014 by Manzig and colleagues. The fossils were found near Cruzeiro do Oeste in southern Brazil.2 1
Biracyagibwaho impaka: Scientists are not sure exactly how old the rocks are. Caiuajara could be the youngest known tapejarid pterosaur, or the rocks might be older than thought.1

Aho amakuru yakuwe

Discovery of a Rare Pterosaur Bone Bed in a Cretaceous Desert with Insights on Ontogeny and Behavior of Flying Reptiles | PLOS One (journals.plos.org)
PBDB Taxon (paleobiodb.org)
Caiuajara (en.wikipedia.org)
Caiuajara in The Paleobiology Database (CC BY 4.0): imyaka, ahantu, inzego z'amabuye, ishyirwa mu byiciro.

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