Kartu dino No. 1191 ci 2 027

Mirarce

Tur bi mooy: “wonderful winged messenger”1

Lekkoon: YàppPicc yu jëkk yiKretase bu mujj

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

Dundoon

am na 84 ba 72 milyoŋ at4

Kretase bu mujj

Fosil yu ñu gis ci

Kaiparowits Formation, Utah, USA4 1

Diisaay

0,45 kg (1 lb)3

Kawewaay

0,6 m (2 ft)1

Gaawaay bi gën a kawe

lu tollu ci 31 km/h (19 mph)

Naaw, jortu

Kañ la dundoon?

Triyaas

Jurasik

Kretase

Am na 252 milyoŋ at20114566, asteroyid bi

Naka la réyoon?

Naka la kawewoon?

Naka la diisoon?

diis ni 4 banaana

gën a woyof muusu kërmënoon na naaw ci kaw teraŋ futbal bépp ci 12 segond

Naka la Mirarce 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)

Mirarce lu tollu ci 31 km/h (19 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

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

Nataalu Mirarce bu ñu def ak IA — Nataal bu IA def la, muy wone ni Mirarce 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 Mirarce

?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

Ngir ñi xam dino lool

Turu xam-xam: Mirarce
Ku ko tudde: Atterholt et al. 20184
Kurél: Picc yu jëkk yi
Njaboot / klad: Avisauridae4
Klasifikasiyoŋ: Theropoda > Avialae4
Màggaayu doj yi: 84 ba 72 milyoŋ at (Campanian)4
Formasiyoŋi doj: Kaiparowits4
Réew yi: Amerig4
Fosil yu ñu gis: 1 ci The Paleobiology Database4
Gisees: 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
Ñu ngi koy werante ba tey: Scientists are still debating how enantiornithine birds like Mirarce compare to modern birds in terms of flight abilities and evolutionary relationships.2

Fa xibaar yi jóge

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

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