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Hesperornis

Zita rinoreva: “western bird”1

Raidya: HoveShiri dzekutangaCretaceous Yekupedzisira

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

Raivapo

makore mamiriyoni 90 kusvika 66 apfuura5

Cretaceous Yekupedzisira

Mafosiri akawanikwa:

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

Kureba

1.5 kusvika 1.8 m (4.9 kusvika 5.9 ft)1

Huremu

10.6 kg (23 lb)1

Kukwirira

0.81 m (2.7 ft)

fungidziro

Kumhanya kwepamusoro

kunenge 16 km/h (10 mph)

Kushambira, fungidziro

Rairarama rini?

Triassic

Jurassic

Cretaceous

makore mamiriyoni 252 apfuura20114566, dombo guru rakabva mudenga

Raiva hombe sei?

Raiva refu zvakadii?

Raiva rakakwirira zvakadii?

fungidziro

Rairema zvakadii?

kurema sekatsi dzemumba 2.5

kureba sekatsi dzemumba 4 kubva pamhino kusvika kumuswekureba semabhanana 10 akatevedzanakurema semabhanana 88raigona kushambira kureba kwedziva guru rekushambira (50 m) mumasekonzi 11

Hesperornis raiva hombe sei kana richienzaniswa NEWE?

Masvomhu chete mubrowser yako. Hapana chinochengetwa kana kutumirwa kupi zvako.

Raimhanya zvakadii?

Munhu achifamba kunenge 5 km/h (3 mph)

Mwana ari pabhasikoro kunenge 12 km/h (7 mph)

Hesperornis kunenge 16 km/h (10 mph)

Bhiza richimhanya kunenge 65 km/h (40 mph)

Dindingwe kunenge 100 km/h (62 mph)

zvinhu zvinonakidza

Zvinonakidza

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

Mufananidzo wakagadzirwa neAI: Hesperornis — Mufananidzo wakagadzirwa neAI unoratidza kuti Hesperornis ringangodai raitaridzika sei, wakagadzirwa nekombiyuta kubva pane zvinozivikanwa nemasayendisiti. Ifungidziro chete: mhuka chaiyo ingangodai yaitaridzika zvakasiyana, uye hapana anoziva mavara ayo chaiwo.

wakabvunza

Mibvunzo inonyanya kubvunzwa nezve 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

Mubvisi wengano

Ngano: Some people think Hesperornis was a dinosaur.

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

Zvevanyanzvi vemadhino

Zita resainzi: Hesperornis
Akaripa zita:: Marsh 18725
Boka: Shiri dzekutanga
Mhuri / boka: Hesperornithidae5
Kurongwa kwemhuka: Theropoda > Avialae5
Zera rematombo: makore mamiriyoni 90 kusvika 66 (Coniacian / Maastrichtian)5
Mapoka ematombo: Pierre Shale, Rybushka, Niobrara5
Nyika: Kanada, Amerika, Russia, Sweden5
Zvinyorwa zvemafosiri: 65 mu The Paleobiology Database5
Rinonziwo: Coniornis, Hargeria, Lestornis (mazita ekare zvino oonekwa semhuka imwe chete)5
Kuwanikwa: 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
Zvichiri kupokanwa: Scientists are still debating exactly how many species of Hesperornis existed, because many fossils are incomplete.1

Kunobva chokwadi

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): zera, nzvimbo, mapoka ematombo, kurongwa kwemhuka.

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