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Dino kad No. 0215 wɔ 2 027 mu

Avisaurus

Din no ase: “bird lizard”1

Ɔdii: NamNnomaa a wɔdii kanKretasias Awieeɛ

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

Ɔtenaa ase

mfeɛ ɔpepem 72 kɔsi 66 a atwam4

Kretasias Awieeɛ

Wɔhunuu fɔsil wɔ

Montana and North Dakota, USA4 1

Mu duru

1.2 kg kɔsi 1.7 kg (3 kɔsi 4 lb)1

Ntɛmntɛm a ɛsen biara

bɛyɛ 36 km/h (22 mph)

Wimtuo, nsusuiɛ

Berɛ bɛn na ɛtenaa ase?

Triasik

Jurasik

Kretasias

mfeɛ ɔpepem 252 a atwam20114566, ɔsoro ɛboɔ no

Na ne kɛseɛ yɛ sɛn?

Na ne mu yɛ duru sɛn?

ne mu duru te sɛ kwadu 14

ne mu yɛ hare sen fie agyinamoane mu duru te sɛ kwadu 14anka ɔbɛtumi atu atwa bɔɔlobɔ prama mũ wɔ sikɛn 10 mu

Avisaurus kɛseɛ yɛ sɛn sɛ wode toto WO ho a?

Akontaa nko ara wɔ wo browser mu. Yɛnkora biribiara so, na yɛmmfa biribiara nkɔ baabiara.

Na ɛyɛ ntɛm sɛn?

Onipa a ɔnante bɛyɛ 5 km/h (3 mph)

Abofra a ɔte sakre so bɛyɛ 12 km/h (7 mph)

Avisaurus bɛyɛ 36 km/h (22 mph)

Ɔpɔnkɔ a ɔretu mmirika bɛyɛ 65 km/h (40 mph)

Kyiita bɛyɛ 100 km/h (62 mph)

nneɛma a ɛyɛ fɛ

Nsɛm a ɛyɛ anigye

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

Yei yɛ Avisaurus mfonini a AI yɛeɛ, sɛdeɛ ebia na ɔteɛ. Kɔmputa na ɛyɛeɛ firi deɛ nyansahufoɔ nim mu. Ɛyɛ nsusuiɛ: ebia na aboa ankasa no nte saa, na obiara nnim ne kɔla ankasa.

wobisaeɛ

Nsɛm a wɔbisa bebree fa Avisaurus ho

?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

Atosɛm sɛefoɔ

Atosɛm: Avisaurus was a dinosaur.

Nokorɛ: 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

Ma dino ho animdefoɔ

Nyansahu din: Avisaurus
Obi a ɔtoo din: Brett-Surman and Paul 19854
Kuo: Nnomaa a wɔdii kan
Abusua / kuo kɛseɛ: Avisauridae4
Nkyekyɛmu: Theropoda > Avialae4
Abotan no mfeɛ: mfeɛ ɔpepem 72 kɔsi 66 (Maastrichtian)4
Abotan nhyehyɛeɛ: Hell Creek4
Aman: Amerika4
Fɔsil nkyerɛwee: 2 wɔ The Paleobiology Database mu4
Nhunumu: 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
Wɔda so gye ho akyinnye: Scientists are not sure exactly how Avisaurus used its claws, whether for hunting or climbing.1

Baabi a nsɛm no firi

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): mfeɛ, mmeaeɛ, abotan nhyehyɛeɛ, nkyekyɛmu.

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