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Ikhadi ledayinaso No. 1532 kwe-2 027

Rajasaurus

Igama lithetha: “princely lizard”1

Yayitya: InyamaIidayinaso ezitya inyamaiCretaceous yamva

Rajasaurus was a meat-eating dinosaur that lived in India near the end of the Cretaceous Period. It had a single short horn on its forehead and used its strong neck and jaws to catch prey. This dinosaur was an ambush predator, hiding and then pouncing on its food.1

Yaphila

72 ukuya ku-66 izigidi zeminyaka eyadlulayo4

iCretaceous yamva

Iifosili zifunyenwe:

Gujarat and Madhya Pradesh, India2 4

Ubude

6.6 m (22 ft)1 2

Ubunzima

4 iitoni (8,800 lb)2

Ukuphakama

2.44 m (8 ft)3

Esona santya siphezulu

malunga ne-25 km/h (16 mph)

Ukubaleka, uqikelelo

Yaphila nini?

iTriassic

iJurassic

iCretaceous

Izigidi ezingama-252 zeminyaka eyadlulayo20114566, i-asteroyidi

Yayinkulu kangakanani?

Yayinde kangakanani?

Yayiphakame kangakanani?

Yayinzima kangakanani?

inzima njengeemoto ezingama-2.5

inde njengezinja ezingama-7, impumlo ukuya emsileniinde njengeebhanana ezingama-37 zilandelelanainzima njengezinja ezingama-200inzima njengamavatala angama-800inzima njengamagumbi okufundela apheleleyo abantwana angama-5inzima njengeebhere ezimhlophe ezingama-9ibinokubaleka iimitha ezili-100 ngemizuzwana engama-14 (oyena mntu ukhawulezayo udinga i-9,6)

Rajasaurus wayemkhulu kangakanani xa ethelekiswa NAWE?

Yimathematika nje kwibhrawuza yakho. Akukho nto igcinwayo okanye ithunyelwe naphi na.

Yayikhawuleza kangakanani?

Umntu ohambayo malunga ne-5 km/h (3 mph)

Umntwana ekhwele ibhayisikile malunga ne-12 km/h (7 mph)

Rajasaurus malunga ne-25 km/h (16 mph)

Ihashe elibaleka ngamandla malunga ne-65 km/h (40 mph)

Ingwenkala malunga ne-100 km/h (62 mph)

izinto ezimnandi

Iinyani ezimnandi

Rajasaurus had a single low horn on its forehead made mostly of nasal bone, unlike the horn of its relative Majungasaurus.2

It was one of the larger abelisaurids, measuring about 6.6 metres (22 feet) long.1

Rajasaurus lived on the island of India during the Late Cretaceous, when India was isolated from other continents.1

Its fossils were found in the Lameta Formation, which was once a river valley with an arid or semi-arid climate.2

The horn on its head might have been used for display or for head-butting other Rajasaurus during fights.1 2

Rajasaurus had short arms and four fingers, so it relied on its powerful head and jaws to catch prey.2

It is the first Indian theropod dinosaur to have preserved bones from the spine, hips, legs, and tail.2

Umfanekiso owenziwe yi-AI: Rajasaurus — Umfanekiso owenziwe yi-AI obonisa indlela Rajasaurus esenokuba wayekhangeleka ngayo, wenziwe yikhompyutha ngokwento eyaziwa zizazinzulu. Kukuqikelela nje: esona silwanyana sinokuba sasikhangeleka ngenye indlela, kwaye akukho mntu waziyo imibala yaso yokwenyani.

ubuzile

Eyona mibuzo ibuzwa kakhulu: Rajasaurus

?How big was Rajasaurus?

Rajasaurus was about 6.6 metres (22 feet) long, though one scientist estimated it at 11 metres (36 feet). It weighed around 4 metric tons (4.4 short tons).2 1

?What did Rajasaurus eat?

Rajasaurus was a carnivore that ate meat. It probably hunted large prey like sauropod dinosaurs and may have also scavenged for food.1 3

?Did Rajasaurus have feathers?

No one knows for sure. The fossils don't show feathers, and most abelisaurids are not known to have had them, but some scientists think many theropods might have had simple feathers.2 1

?Was Rajasaurus bigger than T. rex?

No, Rajasaurus was smaller. T. rex could reach about 12 metres (40 feet) long, while Rajasaurus was only about 6.6 metres (22 feet) long.1 2

?Why did Rajasaurus have a horn?

The horn was probably used for display to attract mates or for head-butting other Rajasaurus during fights. It was made mostly of nasal bone.1 2

?Could Rajasaurus swim?

Probably not. It was a land dinosaur with strong legs for walking and running, not swimming. It lived near rivers but likely stayed on land.2 1

?When did Rajasaurus live?

Rajasaurus lived during the Late Cretaceous period, about 72 to 66 million years ago, right before the dinosaurs went extinct.1 2

?What would happen if Rajasaurus was alive today?

It would be a large predator, but it would probably not survive well because its habitat and prey are gone. It might be kept in zoos or studied by scientists.1 2

Kwiingcali zeedayinaso

Igama lenzululwazi: Rajasaurus
Inikwe igama ngu:: Wilson et al. 20034
Iqela: Iidayinaso ezitya inyama
Usapho / iclade: Abelisauridae4
Ukuhlelwa: Theropoda > Ceratosauria > Abelisauridae4
Ubudala bamatye: 72 ukuya ku-66 izigidi zeminyaka (Maastrichtian)4
Izakhiwo zamatye: Lameta4
Amazwe: i-Indiya4
Iirekhodi zeefosili: 1 kwi-Paleobiology Database4
Ukufunyanwa: Rajasaurus was named in 2003 by Jeffrey A. Wilson and colleagues. The fossils were found in the Lameta Formation of Gujarat, India, after dinosaur eggs were discovered there in 1981.2 4
Kusaxoxwa ngayo: Scientists are not sure what the horn on its head was used for. It may have been for display or for head-butting, but no one knows for certain.1

Apho iinyani zivela khona

Rajasaurus | Natural History Museum (nhm.ac.uk)
Rajasaurus (en.wikipedia.org)
Discoveries | Paul Sereno - Paleontologist | The University of Chicago (paulsereno.uchicago.edu)
Rajasaurus in The Paleobiology Database (CC BY 4.0): ubudala, iindawo, izakhiwo zamatye, ukuhlelwa.

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