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Kaadi ya dayinoso No. 0215 ku 2 027

Avisaurus

Erinnya litegeeza: “bird lizard”1

Yalyanga: EnnyamaEbinyonyi eby'olubereberyeEnkomerero ya Kuretasi

Avisaurus was a bird-like dinosaur that lived near the end of the age of dinosaurs. It was a fierce hunter with sharp claws, kind of like a tiny raptor. But it was actually an ancient bird, not a dinosaur!1

Yabeerawo

emyaka obukadde 72 okutuuka ku 66 emabega4

Enkomerero ya Kuretasi

Ebisigalira byazuulibwa mu

Montana and North Dakota, USA4 1

Obuzito

1.2 kg okutuuka ku 1.7 kg (3 okutuuka ku 4 lb)1

Sipiidi esinga

nga 36 km/h (22 mph)

Okubuuka, kuteebereza

Yabeerawo ddi?

Tiriyasi

Jurasiki

Kuretasi

Emyaka obukadde 252 emabega20114566, asteroyidi

Yali munene atya?

Yali muzito kwenkana wa?

obuzito ng'obw'amenvu 14

obuzito butono okusinga kkapa ow'awakaobuzito ng'obw'amenvu 14yandibuuse okusomoka ekisaawe ky'omupiira kyonna mu sikonda 10

Avisaurus 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)

Avisaurus nga 36 km/h (22 mph)

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

Cheetah nga 100 km/h (62 mph)

ebintu ebinyuvu

Ebyewuunyisa

Avisaurus lived about 68 to 66 million years ago, right before the dinosaurs went extinct.1

It was one of the largest enantiornithine birds, weighing up to 1.7 kilograms (3.7 pounds).1

The first fossil of Avisaurus was a single foot bone called a tarsometatarsus, found in Montana in 1975.1

Scientists first thought Avisaurus was a non-avian dinosaur, but later realized it was an ancient bird.1

Avisaurus had curved claws on its feet, similar to those of raptor dinosaurs, which helped it catch prey.1

It lived in swamps and river basins along the western shore of a huge sea that split North America.1

Ekifaananyi kya Avisaurus 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 Avisaurus

?Was Avisaurus a dinosaur?

Yes, Avisaurus was a dinosaur. All birds are members of the dinosaur group, and Avisaurus was an enantiornithine bird.1

?How big was Avisaurus?

Avisaurus was a large enantiornithine bird. Avisaurus darwini weighed up to 1.2 kilograms (2.6 pounds), and Avisaurus archibaldi weighed up to 1.7 kilograms (3.7 pounds).1

?What did Avisaurus eat?

Avisaurus was a predator that likely ate other vertebrates. Its curved claws and foot bones suggest it could catch and carry prey, similar to modern hawks and owls.1 2

?When did Avisaurus live?

Avisaurus lived about 68 to 66 million years ago, during the Late Cretaceous period. It was one of the last enantiornithine birds before the non avian dinosaurs went extinct.1

?Where was Avisaurus found?

Avisaurus fossils have been found in the Hell Creek Formation of Montana, USA. The first fossil was a single foot bone collected in 1975 in Garfield County.1

?Could Avisaurus fly?

Yes, Avisaurus was a bird and could fly. Its foot bones show it was a skilled predator that could catch prey, similar to modern birds of prey.2 3

Omumenyi w'enfumo

Enfumo: Avisaurus was a dinosaur.

Amazima: Avisaurus was actually an ancient bird, part of a group called enantiornithines. It was a bird-like dinosaur, but not a non-avian dinosaur.1

Eri abakugu mu dayinoso

Erinnya lya ssaayansi: Avisaurus
Yatuumibwa: Brett-Surman and Paul 19854
Ekibinja: Ebinyonyi eby'olubereberye
Ekika / ekibinja: Avisauridae4
Engabanya: Theropoda > Avialae4
Emyaka gy'enjazi: emyaka obukadde 72 okutuuka ku 66 (Maastrichtian)4
Ensengeka z'enjazi: Hell Creek4
Ensi: Amerika4
Ebisigalira ebyazuulibwa: 2 mu The Paleobiology Database4
Okuzuulibwa: Avisaurus was named in 1985 by paleontologists Brett-Surman and Paul. The first fossil, a foot bone, was found in 1975 by J. David Archibald in the Hell Creek Formation of Montana.1 4
Kikyakubaganyizibwako ebirowoozo: Scientists are not sure exactly how Avisaurus used its claws, whether for hunting or climbing.1

Ebituufu gye biva

Avisaurus (en.wikipedia.org)
Predatory birds from the same fossil formation as SUE the T. rex - Field Museum (fieldmuseum.org)
New enantiornithine diversity in the Hell Creek Formation and the functional morphology of the avisaurid tarsometatarsus (pmc.ncbi.nlm.nih.gov)
Avisaurus in The Paleobiology Database (CC BY 4.0): emyaka, ebifo, ensengeka z'enjazi, engabanya.

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