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Debuxo de Hesperornis
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Hesperornis

O nome significa: “western bird”1
Comía: PeixeAves primitivasCretáceo Superior

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.12

Viviu
hai entre 90 e 66 millóns de anos5
Cretáceo Superior
Fósiles atopados en
North America (Kansas, Montana, South Dakota, Alaska, Canada), Russia, and Sweden51
Lonxitude
1,5 a 1,8 m (4,9 a 5,9 ft)1
Peso
10,6 kg (23 lb)1
Altura
0,81 m (2,7 ft)
estimación
Velocidade máxima
uns 16 km/h (10 mph)
Nadar, estimación

Cando viviu?

Triásico
Xurásico
Cretáceo
Hai 252 millóns de anos20114566, o asteroide

Como era de grande?

Canto medía de longo?

Hesperornis uns 1,8 m de longo (5,9 ft)Un can uns 1 m (3,3 ft)Unha bici de adulto uns 1,8 m (5,9 ft)Un coche uns 4,5 m (15 ft)

Canto medía de alto?

Un gato domésticouns 0,3 m (1 ft)Un canuns 0,5 m (1,6 ft)Hesperornisuns 0,81 m de alto (2,7 ft)Un cabalouns 1,6 m (5,2 ft)

estimación

Canto pesaba?

tan pesado coma 2,5 gatos domésticos
tan longo coma 4 gatos domésticos do fociño á colatan longo coma 10 plátanos postos un tras outrotan pesado coma 88 plátanospodería nadar o longo dunha piscina grande (50 m) en 11 segundos

Como era de grande Hesperornis comparado CONTIGO?

Só son contas no teu navegador. Non se garda nin se envía nada.

Que velocidade alcanzaba?

cousas xeniais

Datos curiosos

1

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

2

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

3

Hesperornis had teeth in its beak, which is rare for birds. It used them to catch fish.12

4

The first fossils of Hesperornis were found by famous fossil hunter Othniel Charles Marsh in 1870 in Kansas.12

5

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

6

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

Feito con IAImaxe de Hesperornis feita con IA
Unha imaxe feita con IA de como podería ser Hesperornis, creada por un ordenador a partir do que saben os científicos. É unha suposición: o animal real podía ser diferente, e ninguén sabe as súas cores de verdade.
ti preguntaches

As preguntas máis frecuentes sobre 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.13

?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

Cazamitos

Mito: Some people think Hesperornis was a dinosaur.

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

Para expertos en dinos

Nome científico
Hesperornis
Bautizado por
Marsh 18725
Grupo
Aves primitivas
Familia / clado
Hesperornithidae5
Clasificación
Theropoda > Avialae5
Idade das rochas
de 90 a 66 millóns de anos (Coniacian / Maastrichtian)5
Formacións rochosas
Pierre Shale, Rybushka, Niobrara5
Países
Canadá, EUA, Rusia, Suecia5
Rexistros fósiles
65 na Paleobiology Database5
Tamén coñecido como
Coniornis, Hargeria, Lestornis (nomes antigos que agora contan como o mesmo animal)5
Descubrimento
Othniel Charles Marsh discovered the first Hesperornis fossil in 1870 near the Smoky Hill River in Kansas. He named it Hesperornis regalis in 1872.12
Aínda en debate
Scientists are still debating exactly how many species of Hesperornis existed, because many fossils are incomplete.1

De onde veñen os datos

  1. Hesperornis (en.wikipedia.org)
  2. The Hesperornithiformes: A Review of the Diversity, Distribution, and Ecology of the Earliest Diving Birds (mdpi.com)
  3. Hesperornis - Scholars | Britannica Kids | Encyclopedia (kids.britannica.com)
  4. Hesperornis Facts, Artwork, Information - National Geographic | National Geographic (nationalgeographic.com)
  5. Hesperornis in The Paleobiology Database (CC BY 4.0): idade, lugares, formacións rochosas, clasificación.

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