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Avisaurus

Dzina limatanthauza: “bird lizard”1

Ankadya: NyamaMbalame zoyambiriraKumapeto kwa Kretase

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

Ankakhala

zaka 72 mpaka 66 miliyoni zapitazo4

Kumapeto kwa Kretase

Mafosili apezeka ku

Montana and North Dakota, USA4 1

Kulemera

1.2 kg mpaka 1.7 kg (3 mpaka 4 lb)1

Liwiro lalikulu kwambiri

pafupifupi 36 km/h (22 mph)

Kuuluka, kuyerekeza

Ankakhala liti?

Triasiki

Jurasiki

Kretase

Zaka 252 miliyoni zapitazo20114566, asteroidi

Anali wamkulu bwanji?

Ankalemera bwanji?

wolemera ngati nthochi 14

wopepuka kuposa mphaka wa pakhomowolemera ngati nthochi 14akanatha kuuluka kudutsa bwalo lonse la mpira m'masekondi 10

Avisaurus anali wamkulu bwanji poyerekeza ndi IWEYO?

Ndi masamu chabe mu msakatuli wako. Palibe chimene chimasungidwa kapena kutumizidwa kwina kulikonse.

Anali ndi liwiro lotani?

Munthu akuyenda pafupifupi 5 km/h (3 mph)

Mwana pa njinga pafupifupi 12 km/h (7 mph)

Avisaurus pafupifupi 36 km/h (22 mph)

Hatchi ikuthamanga pafupifupi 65 km/h (40 mph)

Kakwiyo pafupifupi 100 km/h (62 mph)

zinthu zosangalatsa

Mfundo zosangalatsa

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

Chithunzi cha Avisaurus chopangidwa ndi AI — Chithunzi cha momwe Avisaurus mwina ankaonekera, chopangidwa ndi kompyuta kuchokera pa zomwe asayansi amadziwa. Ndi kungoyerekeza: nyama yeniyeniyo mwina inkaoneka mosiyana, ndipo palibe amene akudziwa mitundu yake yeniyeni.

mwafunsa

Mafunso ofunsidwa kwambiri okhudza 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

Wothetsa nthano zabodza

Nthano: Avisaurus was a dinosaur.

Zoona: 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

Kwa akatswiri a madino

Dzina la sayansi: Avisaurus
Anapatsidwa dzina ndi: Brett-Surman and Paul 19854
Gulu: Mbalame zoyambirira
Banja / kladi: Avisauridae4
Magawidwe a sayansi: Theropoda > Avialae4
Zaka za miyala: zaka 72 mpaka 66 miliyoni (Maastrichtian)4
Mapangidwe a miyala: Hell Creek4
Mayiko: Amereka4
Zolemba za mafosili: 2 mu The Paleobiology Database4
Kupezeka: 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
Akukambiranabe: Scientists are not sure exactly how Avisaurus used its claws, whether for hunting or climbing.1

Kumene mfundo zimachokera

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): zaka, malo, mapangidwe a miyala, magawidwe a sayansi.

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