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Carta da dino nr. 1191 da 2 027

Mirarce

Il num vul dir: “wonderful winged messenger”1

Mangiava: CharnUtschels primitivsCretacic tardiv

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

Viveva

avant 84 fin 72 milliuns onns4

Cretacic tardiv

Fossils chattads en

Kaiparowits Formation, Utah, USA4 1

Paisa

0,45 kg (1 lb)3

Autezza

0,6 m (2 ft)1

Spertadad maximala

var 31 km/h (19 mph)

Sgular, stima

Cura viveva el?

Triassic

Giurassic

Cretacic

avant 252 milliuns onns20114566, l'asteroid

Quant grond era el?

Quant aut era el?

Quant grev era el?

uschè grev sco 4 bananas

pli lev ch'in giat da chasapudess sgular sur in entir plaz da ballape en 12 secundas

Quant grond era Mirarce cumpareglià cun TAI?

Mo matematica en tes navigatur. Nagut na vegn arcunà u tramess.

Quant spert era el?

Ina persuna che va a pe var 5 km/h (3 mph)

In uffant sin il velo var 12 km/h (7 mph)

Mirarce var 31 km/h (19 mph)

In chaval che galoppescha var 65 km/h (40 mph)

In gepard var 100 km/h (62 mph)

chaussas cool

Fatgs divertents

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

Maletg da Mirarce fatg cun IA — In maletg fatg cun IA che mussa co Mirarce pudess avair guardà ora, fatg d'in computer tenor quai che la scienza sa. I sa tracta d'ina supposiziun: l'animal vair ha forsa guardà ora auter, e sias colurs vairas èn nunenconuschentas.

tias dumondas

Las dumondas las pli frequentas davart 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

Per experts da dinos

Num scientific: Mirarce
Numnà da: Atterholt et al. 20184
Gruppa: Utschels primitivs
Famiglia / clada: Avisauridae4
Classificaziun: Theropoda > Avialae4
Vegliadetgna da la crappa: 84 fin 72 milliuns onns (Campanian)4
Formaziuns da crap: Kaiparowits4
Pajais: USA4
Chats da fossils: 1 en The Paleobiology Database4
Scuverta: 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
Anc discutà: Scientists are still debating how enantiornithine birds like Mirarce compare to modern birds in terms of flight abilities and evolutionary relationships.2

Danunder che vegnan ils fatgs

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): vegliadetgna, lieus, formaziuns da crap, classificaziun.

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