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Alvarezsaurus

Erinnya litegeeza: “Don Gregorio Alvarez's lizard”1

Yalyanga: EbiwukaDayinoso ez'ebyoya ez'enjawuloEnkomerero ya Kuretasi

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

Yabeerawo

emyaka obukadde 86 okutuuka ku 84 emabega3

Enkomerero ya Kuretasi

Ebisigalira byazuulibwa mu

Bajo de la Carpa Formation, Neuquén, Argentina3 1

Obuwanvu

1 okutuuka ku 1.4 m (3.3 okutuuka ku 4.6 ft)1

Obuzito

3 kg (7 lb)1

Obugulumivu

0.58 m (1.9 ft)

kuteebereza

Sipiidi esinga

nga 30 km/h (19 mph)

Okudduka, kuteebereza

Yabeerawo ddi?

Tiriyasi

Jurasiki

Kuretasi

Emyaka obukadde 252 emabega20114566, asteroyidi

Yali munene atya?

Yali muwanvu kwenkana wa?

Yali mugulumivu kwenkana wa?

kuteebereza

Yali muzito kwenkana wa?

obuzito ng'obw'amenvu 25

obuwanvu nga kkapa 3 ab'awaka, ennyindo ku mukiraobuwanvu ng'amenvu 8 nga gaddiriŋŋanaobuzito ng'obwa kkapa ow'awakaobuzito ng'obw'amenvu 25yandidduse mita 100 mu sikonda 12 (omuntu asinga embiro yeetaaga 9.6)

Alvarezsaurus yali munene atya bw'ogeraageranya ku GGWE?

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Yali wa mbiro kwenkana wa?

Omuntu atambula nga 5 km/h (3 mph)

Omwana ku kagaali nga 12 km/h (7 mph)

Alvarezsaurus nga 30 km/h (19 mph)

Embalaasi edduka ennyo nga 65 km/h (40 mph)

Cheetah nga 100 km/h (62 mph)

ebintu ebinyuvu

Ebyewuunyisa

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

Ekifaananyi kya Alvarezsaurus ekyakolebwa AI, nga kiraga engeri gye yayinza okuba ng'afaanana, ekyakolebwa kompyuta okusinziira ku ebyo bannassaayansi bye bamanyi. Kuteebereza: ekisolo ekyennyini kiyinza okuba nga kyali kifaanana bulala, era tewali amanyi langi zaakyo ez'amazima.

wabuuza

Ebibuuzo ebisinga okubuuzibwa ku Alvarezsaurus

?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

Eri abakugu mu dayinoso

Erinnya lya ssaayansi: Alvarezsaurus
Yatuumibwa: Bonaparte 19913
Ekibinja: Dayinoso ez'ebyoya ez'enjawulo
Ekika / ekibinja: Alvarezsauridae3
Engabanya: Theropoda > Alvarezsauridae3
Emyaka gy'enjazi: emyaka obukadde 86 okutuuka ku 84 (Santonian)3
Ensengeka z'enjazi: Bajo de la Carpa3
Ensi: Arigentina3
Ebisigalira ebyazuulibwa: 1 mu The Paleobiology Database3
Okuzuulibwa: 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
Kikyakubaganyizibwako ebirowoozo: 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

Ebituufu gye biva

Alvarezsaurus (en.wikipedia.org)
Alvarezsauridae (en.wikipedia.org)
Alvarezsaurus in The Paleobiology Database (CC BY 4.0): emyaka, ebifo, ensengeka z'enjazi, engabanya.

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