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Carta da dino nr. 1119 da 2 027

Maiasaura

Il num vul dir: “good mother lizard”1

Mangiava: PlantasPichels d'andaCretacic tardiv

Maiasaura was a duck-billed dinosaur that lived in North America about 80 to 75 million years ago. It is famous for being a good mother that took care of its babies in nests.2 1

Viveva

avant 84 fin 72 milliuns onns5

Cretacic tardiv

Fossils chattads en

Montana, USA5 2

Lunghezza

9 m (30 ft)1

Paisa

2,5 tonnas (5 500 lb)1

Autezza

2,5 m (8,2 ft)3

Spertadad maximala

var 26 km/h (16 mph)

Currer, stima

Cura viveva el?

Triassic

Giurassic

Cretacic

avant 252 milliuns onns20114566, l'asteroid

Quant grond era el?

Quant lung era el?

Quant aut era el?

Quant grev era el?

uschè grev sco 1,5 autos

uschè lung sco 2 autos parcads in suenter l'auteruschè lung sco 50 bananas ina suenter l'autrauschè grev sco 120 chaunsuschè grev sco 500 melunasuschè grev sco 3 classas da scola entirasuschè grev sco 6 urs polarspudess currer 100 meters en 14 secundas (il pli spert uman dovra 9,6)

Quant grond era Maiasaura 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)

Maiasaura var 26 km/h (16 mph)

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

In gepard var 100 km/h (62 mph)

chaussas cool

Fatgs divertents

Maiasaura means 'good mother lizard' because fossils show adults cared for their young.1 2

A huge nesting site was found in Montana in 1978, with nests, eggs, and baby skeletons.2

Baby Maiasaura were too big to fit inside eggs when they hatched, and their bones were not fully hardened.2

Hatchlings were about 0.5 metres (1.6 feet) long, while juveniles reached about 1 metre (3.3 feet).2

Hundreds of Maiasaura skeletons were found together in one ash bed, suggesting they lived in herds.2

Maiasaura could walk on two legs or all fours.1

Maletg da Maiasaura fatg cun IA — In maletg fatg cun IA che mussa co Maiasaura 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 Maiasaura

?How big was Maiasaura?

About 9 metres (30 feet) long and weighed up to 4 metric tons (4.4 short tons).4

?What did Maiasaura eat?

It was a herbivore, eating plants. It had a horny beak and rows of hundreds of teeth for chewing tough plant material.1

?When did Maiasaura live?

It lived during the Late Cretaceous Period, about 80 to 75 million years ago.1

?Where was Maiasaura found?

Fossils have been found in Montana, USA, and Alberta, Canada. A famous nesting site was discovered in Montana in 1978.4 2

?Why is Maiasaura called the good mother lizard?

Because fossils show that adults cared for their young in nests, which was rare for dinosaurs. The name means 'good mother lizard'.1 4

?Did Maiasaura live in herds?

Yes. Hundreds of skeletons found together in one ash bed suggest they lived in large herds, possibly up to 10,000 individuals.4

?Could Maiasaura walk on two legs?

Yes, it could walk on two legs or all fours. Young Maiasaura walked mostly on two legs, while adults walked more on all fours.1 4

?How fast could Maiasaura run?

Scientists are not sure, but like other large hadrosaurs, it probably could run fairly fast to escape predators, though no exact speed is known.4

Per experts da dinos

Num scientific: Maiasaura
Numnà da: Horner and Makela 19795
Gruppa: Pichels d'anda
Famiglia / clada: Hadrosauridae5
Classificaziun: Ornithischia > Ornithopoda > Iguanodontia > Hadrosauridae5
Vegliadetgna da la crappa: 84 fin 72 milliuns onns (Campanian)5
Formaziuns da crap: Two Medicine5
Pajais: USA5
Chats da fossils: 7 en The Paleobiology Database5
Scuverta: Maiasaura was named by Jack Horner and Robert Makela in 1979 after a nesting site was found in the Two Medicine Formation near Choteau, Montana.5 2

Danunder che vegnan ils fatgs

Maiasaura | Natural History Museum (nhm.ac.uk)
Maiasaura | Herbivorous, Nesting, Cretaceous | Britannica (britannica.com)
Maiasaura | Earth and Atmospheric Sciences | Research Starters | EBSCOhost (ebsco.com)
Maiasaura (Wikipedia) (Wikipedia)
Maiasaura in The Paleobiology Database (CC BY 4.0): vegliadetgna, lieus, formaziuns da crap, classificaziun.

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