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Karata ya dino No. 0081 mo go 2 027

Alvarezsaurus

Leina le raya: “Don Gregorio Alvarez's lizard”1

E jele: DitshenekegiDidino tse di sa tlwaelegang tsa dintsibaBofelo jwa Cretaceous

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

E tshetse

dimilione tsa dingwaga di le 86 go ya go 84 tse di fetileng3

Bofelo jwa Cretaceous

Difosili di fitlhetswe kwa

Bajo de la Carpa Formation, Neuquén, Argentina3 1

Boleele

1 go ya go 1.4 m (3.3 go ya go 4.6 ft)1

Bokete

3 kg (7 lb)1

Bogodimo

0.58 m (1.9 ft)

kakanyo

Bonako jo bogolo

e ka nna 30 km/h (19 mph)

Go taboga, kakanyo

E tshetse leng?

Triassic

Jurassic

Cretaceous

dimilione tsa dingwaga di le 252 tse di fetileng20114566, asteroiti

E ne e le kgolo go le kae?

E ne e le telele go le kae?

E ne e le kwa godimo go le kae?

kakanyo

E ne e le bokete go le kae?

bokete jaaka dibanana di le 25

telele jaaka dikatse tsa mo gae di le 3 go tswa kwa nkong go ya kwa mogatlengtelele jaaka dibanana di le 8 di latelanae ka nna bokete jaaka katse ya mo gaebokete jaaka dibanana di le 25e ne e ka taboga dimetara di le 100 mo metsotswaneng e le 12 (motho yo o bonako go gaisa o tlhoka 9,6)

Alvarezsaurus e ne e le kgolo go le kae fa e bapisiwa le WENA?

Ke dipalo fela mo sebatling sa gago. Ga go sepe se se bolokwang kgotsa se se romelwang gope.

E ne e le bonako go le kae?

Motho yo o tsamayang e ka nna 5 km/h (3 mph)

Ngwana mo baesekeleng e ka nna 12 km/h (7 mph)

Alvarezsaurus e ka nna 30 km/h (19 mph)

Pitse e e sianang ka bonako e ka nna 65 km/h (40 mph)

Lengau e ka nna 100 km/h (62 mph)

dilo tse di monate

Dintlha tse di monate

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

Setshwantsho sa Alvarezsaurus se se dirilweng ke AI — Setshwantsho se se dirilweng ke AI sa kafa Alvarezsaurus e ka tswang e ne e lebega ka gone, se dirilwe ke khomputara go ya ka se borasaense ba se itseng. Ke kakanyo fela: phologolo ya nnete e ka tswa e ne e lebega ka tsela e sele, mme ga go ope yo o itseng mebala ya yona ya nnete.

o botsitse

Dipotso tse di botswang thata ka ga 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

Ya baitseanape ba didino

Leina la saense: Alvarezsaurus
Leina le neilwe ke: Bonaparte 19913
Setlhopha: Didino tse di sa tlwaelegang tsa dintsiba
Lelapa / clade: Alvarezsauridae3
Thulaganyo: Theropoda > Alvarezsauridae3
Bogolo jwa matlapa: 86 go ya go 84 dimilione tsa dingwaga (Santonian)3
Dibopego tsa matlapa: Bajo de la Carpa3
Dinaga: Arejentina3
Direkoto tsa difosili: 1 mo The Paleobiology Database3
Go fitlhelwa: 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
Go sa ntse go ganetsanwa: 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

Kwa dintlha di tswang teng

Alvarezsaurus (en.wikipedia.org)
Alvarezsauridae (en.wikipedia.org)
Alvarezsaurus in The Paleobiology Database (CC BY 4.0): dingwaga, mafelo, dibopego tsa matlapa, thulaganyo.

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