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Hesperornis

Il num vul dir: “western bird”1

Mangiava: PeschUtschels primitivsCretacic tardiv

Hesperornis was a giant swimming bird that lived in the time of dinosaurs. It had teeth in its beak and could not fly, but it was a super diver in the ancient seas.1 2

Viveva

avant 90 fin 66 milliuns onns5

Cretacic tardiv

Fossils chattads en

North America (Kansas, Montana, South Dakota, Alaska, Canada), Russia, and Sweden5 1

Lunghezza

1,5 fin 1,8 m (4,9 fin 5,9 ft)1

Paisa

10,6 kg (23 lb)1

Autezza

0,81 m (2,7 ft)

stima

Spertadad maximala

var 16 km/h (10 mph)

Nudar, 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?

stima

Quant grev era el?

uschè grev sco 2,5 giats da chasa

uschè lung sco 4 giats da chasa dal nas a la cuauschè lung sco 10 bananas ina suenter l'autrauschè grev sco 88 bananaspudess nudar la lunghezza d'ina gronda piscina (50 m) en 11 secundas

Quant grond era Hesperornis 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)

Hesperornis var 16 km/h (10 mph)

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

In gepard var 100 km/h (62 mph)

chaussas cool

Fatgs divertents

Hesperornis was one of the first birds to give up flying and become a full-time swimmer.2

Its legs were placed far back on its body, like a loon, making it clumsy on land but a powerful diver.1

Hesperornis had teeth in its beak, which is rare for birds. It used them to catch fish.1 2

The first fossils of Hesperornis were found by famous fossil hunter Othniel Charles Marsh in 1870 in Kansas.1 2

Several species of Hesperornis lived from about 90 to 66 million years ago, during the Late Cretaceous.5

Hesperornis fossils have been found in many places, including Canada, the United States, Russia, and Sweden.5

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

?How big was Hesperornis?

About 1.5 to 2 metres (4.9 to 6.6 ft) long and weighed around 10.6 kilograms (23 lb).1

?Did Hesperornis have teeth?

Yes, it had teeth in its beak, which is rare for birds. The teeth sat in a groove, not in individual sockets.1

?Could Hesperornis fly?

No, it could not fly. Its wings were tiny and useless for flight, and its breastbone lacked a keel for flight muscles.1 3

?What did Hesperornis eat?

It ate fish, which it caught with its tooth-lined beak while diving in the sea.4

?When did Hesperornis live?

It lived during the Late Cretaceous period, about 83.6 to 72 million years ago, and possibly into the early Maastrichtian.1

?Where was Hesperornis found?

Fossils have been found in Kansas, Canada, Russia, Sweden, and other places, mostly in marine rocks.1

?Could Hesperornis walk on land?

It was clumsy on land. Its legs were placed far back, so it probably pushed itself along on its belly like a seal.1

Chatschader da mitus

Mitus: Some people think Hesperornis was a dinosaur.

Vardad: Hesperornis was a bird, not a dinosaur. Birds evolved from dinosaurs, but Hesperornis itself is classified as a bird.1

Per experts da dinos

Num scientific: Hesperornis
Numnà da: Marsh 18725
Gruppa: Utschels primitivs
Famiglia / clada: Hesperornithidae5
Classificaziun: Theropoda > Avialae5
Vegliadetgna da la crappa: 90 fin 66 milliuns onns (Coniacian / Maastrichtian)5
Formaziuns da crap: Pierre Shale, Rybushka, Niobrara5
Pajais: Canada, USA, Russia, Svezia5
Chats da fossils: 65 en The Paleobiology Database5
Era enconuschent sco: Coniornis, Hargeria, Lestornis (nums pli vegls che valan ussa sco il medem animal)5
Scuverta: Othniel Charles Marsh discovered the first Hesperornis fossil in 1870 near the Smoky Hill River in Kansas. He named it Hesperornis regalis in 1872.1 2
Anc discutà: Scientists are still debating exactly how many species of Hesperornis existed, because many fossils are incomplete.1

Danunder che vegnan ils fatgs

Hesperornis (en.wikipedia.org)
The Hesperornithiformes: A Review of the Diversity, Distribution, and Ecology of the Earliest Diving Birds (mdpi.com)
Hesperornis - Scholars | Britannica Kids | Encyclopedia (kids.britannica.com)
Hesperornis Facts, Artwork, Information - National Geographic | National Geographic (nationalgeographic.com)
Hesperornis in The Paleobiology Database (CC BY 4.0): vegliadetgna, lieus, formaziuns da crap, classificaziun.

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