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Alvarezsaurus

Hiika maqaa: “Don Gregorio Alvarez's lizard”1

Kan nyaate: IlbiisotaDaayinoowwan rifeensa qaban kan addaaKireetaashasii Dhumaa

Alvarezsaurus was a tiny, fast-running dinosaur that lived in Argentina about 86 to 83 million years ago. It had a long tail and probably used its sharp claws to dig for insects. Scientists think it was one of the earliest members of a weird group of dinosaurs with strong, short arms.1 3

Kan jiraate

waggaa miliyoona 86 hanga 84 dura3

Kireetaashasii Dhumaa

Fosiliiwwan kan itti argaman

Bajo de la Carpa Formation, Neuquén, Argentina3 1

Dheerina

1 hanga 1.4 m (3.3 hanga 4.6 ft)1

Ulfaatina

3 kg (7 lb)1

Ol-dheerina

0.58 m (1.9 ft)

tilmaama

Saffisa ol'aanaa

gara 30 km/sa'a (19 mph)

Fiiguu, tilmaama

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 muuzii 25 ulfaata

akka adurree manaa 3 funyaan hanga eegeetti dheeraaakka muuzii 8 walitti hiriiran dheeraagara ulfaatina adurree manaaakka muuzii 25 ulfaatameetira 100 sekondii 12 keessatti fiiguu danda'a (namni hunda caalaa saffisaan 9.6 barbaada)

SI wajjin yoo wal bira qabamu, Alvarezsaurus 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)

Alvarezsaurus gara 30 km/sa'a (19 mph)

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

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

wantoota bareedoo

Odeeffannoowwan bashannansiisoo

Alvarezsaurus was named after Don Gregorio Alvarez, an Argentine historian, not after a dinosaur scientist.1

Its third toe bone (metatarsal III) was the longest, and its fourth toe bone was unusually long too.1

Unlike many of its later relatives, Alvarezsaurus did not have its ankle bones (astragalus and calcaneum) fused together.1

The shoulder blade of Alvarezsaurus was curved and smaller than that of later alvarezsaurids like Mononykus.1

Its tail vertebrae had sharp undersides and triangular side projections, a feature shared with other alvarezsaurids.1

Alvarezsaurus is considered a basal (early) member of the alvarezsaurid family, which includes dinosaurs with strong, short arms and big claws.1

Fakkii AI'n hojjetame: Alvarezsaurus — Fakkii AI'n hojjetame kan Alvarezsaurus 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 Alvarezsaurus baay'ee gaafataman

?How big was Alvarezsaurus?

Alvarezsaurus was small, about 1 to 1.4 metres (3.3 to 4.6 feet) long and weighed around 3 kilograms (6.6 pounds).1

?What did Alvarezsaurus eat?

It may have eaten insects. Its sharp claws and strong arms suggest it dug into termite or ant nests, though scientists are not completely sure.1 2

?Could Alvarezsaurus run fast?

Yes, its leg structure suggests it was a fast runner. It had long legs and a long tail for balance.1 2

?Did Alvarezsaurus have feathers?

No direct feather fossils are known for Alvarezsaurus, but a close relative, Shuvuuia, had downy, feather-like coverings, so it likely had feathers too.2

?When did Alvarezsaurus live?

It lived during the Late Cretaceous, about 86 to 83 million years ago, in what is now Argentina.1

?Was Alvarezsaurus a dinosaur?

Yes, Alvarezsaurus was a small theropod dinosaur, part of the alvarezsaurid family.1

Ogeeyyii daayinootiif

Maqaa saayinsii: Alvarezsaurus
Kan maqaa baase: Bonaparte 19913
Garee: Daayinoowwan rifeensa qaban kan addaa
Maatii / kilaadii: Alvarezsauridae3
Ramaddii: Theropoda > Alvarezsauridae3
Umurii dhagaawwanii: waggaa miliyoona 86 hanga 84 (Santonian)3
Caasaawwan dhagaa: Bajo de la Carpa3
Biyyoota: Arjentiinaa3
Galmee fosilii: 1 The Paleobiology Database keessa3
Argannoo: Alvarezsaurus was named by Argentine paleontologist José Bonaparte in 1991. The first fossils were found in the Bajo de la Carpa Formation in Argentina.1 3
Ammallee falmisiisaa: Scientists are not sure whether Alvarezsaurus was more closely related to birds or to other non‑bird dinosaurs. Some studies place it with early birds, but others keep it among the theropod dinosaurs.1

Odeeffannoon eessaa dhufa

Alvarezsaurus (en.wikipedia.org)
Alvarezsauridae (en.wikipedia.org)
Alvarezsaurus in The Paleobiology Database (CC BY 4.0): umurii, bakkeewwan, caasaawwan dhagaa, ramaddii.

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