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Dino kad No. 1191 wɔ 2 027 mu

Mirarce

Din no ase: “wonderful winged messenger”1

Ɔdii: NamNnomaa a wɔdii kanKretasias Awieeɛ

Mirarce was a bird that lived about 76 million years ago. It was about the size of a turkey vulture and had strong wings and sharp talons for catching prey.1

Ɔtenaa ase

mfeɛ ɔpepem 84 kɔsi 72 a atwam4

Kretasias Awieeɛ

Wɔhunuu fɔsil wɔ

Kaiparowits Formation, Utah, USA4 1

Mu duru

0.45 kg (1 lb)3

Korɔn

0.6 m (2 ft)1

Ntɛmntɛm a ɛsen biara

bɛyɛ 31 km/h (19 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 korɔn yɛ sɛn?

Na ne mu yɛ duru sɛn?

ne mu duru te sɛ kwadu 4

ne mu yɛ hare sen fie agyinamoaanka ɔbɛtumi atu atwa bɔɔlobɔ prama mũ wɔ sikɛn 12 mu

Mirarce 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)

Mirarce bɛyɛ 31 km/h (19 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

Mirarce is the most complete enantiornithine bird ever found in North America.2 1

Its fossil was discovered in 1992 but was not officially named until 2018.1

Mirarce had quill knobs on its ulna bone, which are bumps that help anchor flight feathers. This is the first time such knobs have been found in enantiornithine birds.2 1

It had a deeply keeled sternum (breastbone) and a narrow furcula (wishbone), features that improved its flight abilities.2

Mirarce lived during the Campanian age of the Late Cretaceous, about 76 to 74 million years ago.1

Its name combines Latin 'mirus' (wonderful) and the Greek messenger Arke, referring to its well-preserved flight-related features.1

Yei yɛ Mirarce 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 Mirarce ho

?Was Mirarce a dinosaur?

Yes, Mirarce was a bird, and birds are a type of dinosaur called avialan theropods. So it was a dinosaur, but not a non-avian dinosaur like T. rex.1

?How big was Mirarce?

Mirarce was about the size of a turkey vulture, growing to around 60 cm tall. It weighed about 0.45 kg.1 3

?What did Mirarce eat?

Mirarce was a raptorial predator, meaning it hunted and ate other animals. It had powerful talons and leg tendons, similar to modern birds of prey.1

?When did Mirarce live?

Mirarce lived during the Campanian age of the Late Cretaceous, about 76 to 74 million years ago.1

Ma dino ho animdefoɔ

Nyansahu din: Mirarce
Obi a ɔtoo din: Atterholt et al. 20184
Kuo: Nnomaa a wɔdii kan
Abusua / kuo kɛseɛ: Avisauridae4
Nkyekyɛmu: Theropoda > Avialae4
Abotan no mfeɛ: mfeɛ ɔpepem 84 kɔsi 72 (Campanian)4
Abotan nhyehyɛeɛ: Kaiparowits4
Aman: Amerika4
Fɔsil nkyerɛwee: 1 wɔ The Paleobiology Database mu4
Nhunumu: The fossil was collected in 1992 by Howard Hutchison in Utah. It was studied and named by Jesse Atterholt and colleagues in 2018, who called it Mirarce eatoni in honor of paleontologist Jeffrey Eaton.1
Wɔda so gye ho akyinnye: Scientists are still debating how enantiornithine birds like Mirarce compare to modern birds in terms of flight abilities and evolutionary relationships.2

Baabi a nsɛm no firi

Mirarce (en.wikipedia.org)
The most complete enantiornithine from North America and a phylogenetic analysis of the Avisauridae (pmc.ncbi.nlm.nih.gov)
Rare fossil bird deepens mystery of avian extinctions (vcresearch.berkeley.edu)
Mirarce in The Paleobiology Database (CC BY 4.0): mfeɛ, mmeaeɛ, abotan nhyehyɛeɛ, nkyekyɛmu.

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