Kartu dino No. 0215 ci 2 027

Avisaurus

Tur bi mooy: “bird lizard”1

Lekkoon: YàppPicc yu jëkk yiKretase bu mujj

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

Dundoon

am na 72 ba 66 milyoŋ at4

Kretase bu mujj

Fosil yu ñu gis ci

Montana and North Dakota, USA4 1

Diisaay

1,2 kg ba 1,7 kg (3 ba 4 lb)1

Gaawaay bi gën a kawe

lu tollu ci 36 km/h (22 mph)

Naaw, jortu

Kañ la dundoon?

Triyaas

Jurasik

Kretase

Am na 252 milyoŋ at20114566, asteroyid bi

Naka la réyoon?

Naka la diisoon?

diis ni 14 banaana

gën a woyof muusu kërdiis ni 14 banaanamënoon na naaw ci kaw teraŋ futbal bépp ci 10 segond

Naka la Avisaurus réyoon, bu ñu ko méngalee ak YAW?

Ay kalkil rekk ci sa navigatëer. Dara du ñu denc, dara du ñu yónne fenn.

Naka la gaawoon?

Nit kuy dox lu tollu ci 5 km/h (3 mph)

Xale bu nekk ci welo lu tollu ci 12 km/h (7 mph)

Avisaurus lu tollu ci 36 km/h (22 mph)

Fas buy daw bu gaaw lu tollu ci 65 km/h (40 mph)

Segg bu gaaw lu tollu ci 100 km/h (62 mph)

yëf yu neex

Xibaar yu neex

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

Nataalu Avisaurus bu ñu def ak IA — Nataal bu IA def la, muy wone ni Avisaurus mën a meloon, ordinatëer moo ko def ci li boroom xam-xam yi xam. Jortu kese la: rab bi ci dëgg mën na meloon neneen, te kenn xamul ay kulëëram yu dëgg.

yeen a laaj

Laaj yi ñu gën a laaj ci 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

Ku tas léeb yu dul dëgg

Léeb: Avisaurus was a dinosaur.

Dëgg: 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

Ngir ñi xam dino lool

Turu xam-xam: Avisaurus
Ku ko tudde: Brett-Surman and Paul 19854
Kurél: Picc yu jëkk yi
Njaboot / klad: Avisauridae4
Klasifikasiyoŋ: Theropoda > Avialae4
Màggaayu doj yi: 72 ba 66 milyoŋ at (Maastrichtian)4
Formasiyoŋi doj: Hell Creek4
Réew yi: Amerig4
Fosil yu ñu gis: 2 ci The Paleobiology Database4
Gisees: 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
Ñu ngi koy werante ba tey: Scientists are not sure exactly how Avisaurus used its claws, whether for hunting or climbing.1

Fa xibaar yi jóge

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): at, béréb yi, formasiyoŋi doj, klasifikasiyoŋ.

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