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Nanotyrannus

Hiika maqaa: “dwarf tyrant king”1

Kan nyaate: FoonTiraanoosarootaKireetaashasii Dhumaa

Nanotyrannus was a small, fast cousin of T. rex that lived near the end of the dinosaur age. It had a slender skull, big arms, and long legs for chasing prey. Scientists argue whether it was a separate dinosaur or just a baby T. rex.1

Kan jiraate

waggaa miliyoona 72 hanga 66 dura6

Kireetaashasii Dhumaa

Fosiliiwwan kan itti argaman

Hell Creek Formation and Lance Formation in Montana, South Dakota, North Dakota, and Wyoming, USA1 6

Dheerina

5.2 m (17 ft)1

Ulfaatina

704 kg hanga 1.2 toonii (1,600 hanga 2,600 lb)1

Ol-dheerina

1.8 m (5.9 ft)

tilmaama

Saffisa ol'aanaa

gara 50 km/sa'a (31 mph)

Fiiguu: Dececchi et al. 2020 (45 to 50 km/h)

Yoom jiraate?

Tiraayaasikii

Juraasikii

Kireetaashasii

waggaa miliyoona 252 dura20114566, asteerooyidii

Hammam guddaa ture?

Hammam dheeraa ture?

Hammam ol-dheeraa ture?

tilmaama

Hammam ulfaataa ture?

akka saree 60 ulfaata

akka saree 5 funyaan hanga eegeetti dheeraaakka muuzii 29 walitti hiriiran dheeraaakka habxuu 240 ulfaataakka ijoollee KG 63 ulfaataakka ijoollee mana barumsaa 38 ulfaataakka beeraa adii 2.5 ulfaatameetira 100 sekondii 7.2 keessatti fiiguu danda'a (namni hunda caalaa saffisaan 9.6 barbaada)

SI wajjin yoo wal bira qabamu, Nanotyrannus 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)

Nanotyrannus gara 50 km/sa'a (31 mph)

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

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

wantoota bareedoo

Odeeffannoowwan bashannansiisoo

Nanotyrannus was about 5.2 metres (17 feet) long, much smaller than T. rex which could be over 12 metres (40 feet).1

Its arms were longer and stronger than those of T. rex, both in absolute size and compared to its body.1

Nanotyrannus had small horns or crests right in front of its eyes, which T. rex did not have.1

It was probably a fast runner. Scientists think it could chase down prey more easily than the bulky T. rex.1

The first Nanotyrannus skull was found in 1942 and was originally thought to be a new species of Gorgosaurus.1

In 2025, scientists named a second species, Nanotyrannus lethaeus, based on a skeleton nicknamed 'Jane'.1

Nanotyrannus lived right up to the asteroid impact that killed the non-avian dinosaurs, about 66 million years ago.1

Fakkii AI'n hojjetame: Nanotyrannus — Fakkii AI'n hojjetame kan Nanotyrannus 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.

ati gaafatte

Gaaffiiwwan waa'ee Nanotyrannus baay'ee gaafataman

?Was Nanotyrannus a real dinosaur?

Yes. In 2025, scientists proved it was a separate dinosaur, not a baby T. rex.3 4

?How big was Nanotyrannus?

About 5.2 metres (17 feet) long. It weighed roughly 704 kilograms (1,552 pounds) for one species and up to 1,200 kilograms (2,600 pounds) for another.1

?When did Nanotyrannus live?

It lived about 67 to 66 million years ago, right up to the asteroid impact that killed the non-avian dinosaurs.1

?Could Nanotyrannus run fast?

Yes. It had long legs and was probably a fast runner, able to chase down prey more easily than the bulky T. rex.1

?Did Nanotyrannus have feathers?

Scientists are not sure. No feathers have been found on Nanotyrannus fossils, but many related dinosaurs had them.1

?What did Nanotyrannus eat?

It was a meat-eater. It probably hunted smaller dinosaurs and other animals, using its sharp teeth and strong arms.1

?How many teeth did Nanotyrannus have?

It had more teeth than T. rex. The front teeth were smooth, and the rest were serrated and blade-like.1 5

?Is Nanotyrannus bigger than T. rex?

No. Nanotyrannus was much smaller, about 5.2 metres (17 feet) long, while T. rex could be over 12 metres (40 feet) long.1

Seenaa sobaa diigaa

Seenaa sobaa: Nanotyrannus is just a baby T. rex.

Dhugaa: Many scientists now think Nanotyrannus is a separate, smaller species. Studies in 2025 showed that some Nanotyrannus specimens were fully grown adults, not youngsters.1

Ogeeyyii daayinootiif

Maqaa saayinsii: Nanotyrannus
Kan maqaa baase: Bakker et al. 19886
Garee: Tiraanoosaroota
Maatii / kilaadii: Nanotyrannidae6
Ramaddii: Theropoda > Tyrannosauroidea6
Umurii dhagaawwanii: waggaa miliyoona 72 hanga 66 (Maastrichtian)6
Caasaawwan dhagaa: Hell Creek, Lance6
Biyyoota: Ameerikaa6
Galmee fosilii: 6 The Paleobiology Database keessa6
Argannoo: The first Nanotyrannus skull was found in 1942 by David Hosbrook Dunkle in the Hell Creek Formation of Montana. In 1988, Robert Bakker, Michael Williams, and Philip Currie named it Nanotyrannus, meaning 'dwarf tyrant'.1 2
Ammallee falmisiisaa: Scientists still debate whether Nanotyrannus is a valid genus or just a juvenile Tyrannosaurus rex. New studies in 2025 support it being a real, separate dinosaur, but not everyone agrees.1

Odeeffannoon eessaa dhufa

Nanotyrannus (en.wikipedia.org)
Nanotyrannus, a new genus of pygmy tyrannosaur, from the latest Cretaceous of Montana (zenodo.org)
Nanotyrannus and Tyrannosaurus coexisted at the close of the Cretaceous | Nature (nature.com)
Nanotyrannus Confirmed: Dueling Dinosaurs Fossil Rewrites the Story of T. rex | Department of Biological Sciences (bio.sciences.ncsu.edu)
Agile and vicious Nanotyrannus was not just a teenage T. rex | Reuters (reuters.com)
Nanotyrannus in The Paleobiology Database (CC BY 4.0): umurii, bakkeewwan, caasaawwan dhagaa, ramaddii.

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