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Katuni: Parahesperornis
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Parahesperornis

Zita rinoreva: “near Hesperornis”1
Raidya: NyamaShiri dzekutangaCretaceous Yekupedzisira

Parahesperornis was a flightless bird that lived in the sea. It swam like a penguin and had teeth in its beak. It lived during the time of dinosaurs, about 85 to 82 million years ago.14

Raivapo
makore mamiriyoni 90 kusvika 84 apfuura4
Cretaceous Yekupedzisira
Mafosiri akawanikwa:
Kansas, USA41
Kureba
0.6 kusvika 0.9 m (2 kusvika 3 ft)2
Kukwirira
0.41 m (1.3 ft)
fungidziro
Kumhanya kwepamusoro
kunenge 9 km/h (6 mph)
Kushambira, fungidziro

Rairarama rini?

Triassic
Jurassic
Cretaceous
makore mamiriyoni 252 apfuura20114566, dombo guru rakabva mudenga

Raiva hombe sei?

Raiva refu zvakadii?

Parahesperornis kureba kunenge 0.9 m (3 ft)Katsi yemumba kunenge 0.5 m (1.6 ft)Imbwa kunenge 1 m (3.3 ft)Bhasikoro remunhu mukuru kunenge 1.8 m (5.9 ft)

Raiva rakakwirira zvakadii?

Katsi yemumbakunenge 0.3 m (1 ft)Parahesperorniskukwirira kunenge 0.41 m (1.3 ft)Imbwakunenge 0.5 m (1.6 ft)Bhizakunenge 1.6 m (5.2 ft)

fungidziro

kureba sekatsi dzemumba 2 kubva pamhino kusvika kumuswekureba semabhanana 5 akatevedzanadiki zvekugona kufamba pasi pechigaroraigona kushambira kureba kwedziva guru rekushambira (50 m) mumasekonzi 20

Parahesperornis raiva hombe sei kana richienzaniswa NEWE?

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

Raimhanya zvakadii?

zvinhu zvinonakidza

Zvinonakidza

1

Parahesperornis could not fly. Its wings were tiny and useless for flying, but its legs were strong for swimming.12

2

It had sharp teeth in its beak, which is unusual for modern birds. These teeth helped it grab slippery fish.12

3

Parahesperornis is known from two nearly complete skeletons, which is rare for ancient birds. Most are found as just a few bones.2

4

It lived in the Western Interior Seaway, a shallow sea that covered central North America during the Cretaceous.1

5

The first fossil of Parahesperornis was found in 1894, but it was not named until 1984 by scientist L. D. Martin.24

6

Parahesperornis was about the size of a modern loon or a small penguin, around 60 to 90 centimeters long.2

Zvakagadzirwa neAIMufananidzo wakagadzirwa neAI: Parahesperornis
Mufananidzo wakagadzirwa neAI unoratidza kuti Parahesperornis 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 Parahesperornis

?Was Parahesperornis a dinosaur?

Yes, it was a type of prehistoric bird. While birds are descendants of dinosaurs, scientists classify Parahesperornis as an avialan bird rather than a dinosaur.1

?How big was Parahesperornis?

It was about 60 to 90 centimetres (2 to 3 feet) long, roughly the size of a modern loon or a small penguin.1

?Did Parahesperornis have teeth?

Yes, it had sharp teeth in its beak, which helped it grab slippery fish.2

?Could Parahesperornis swim?

Yes, it was a foot-propelled diving bird that swam like a penguin, using its strong legs to chase fish underwater.3

Mubvisi wengano

Ngano: Some people think Parahesperornis was a dinosaur.

Chokwadi: Parahesperornis was a bird, not a dinosaur. Birds evolved from dinosaurs, but Parahesperornis is classified as an avialan, which is a group that includes modern birds and their extinct relatives.14

Zvevanyanzvi vemadhino

Zita resainzi
Parahesperornis
Akaripa zita:
Martin 19844
Boka
Shiri dzekutanga
Mhuri / boka
Hesperornithidae4
Kurongwa kwemhuka
Theropoda > Avialae4
Zera rematombo
makore mamiriyoni 90 kusvika 84 (Coniacian / Santonian)4
Mapoka ematombo
Niobrara4
Nyika
Amerika4
Zvinyorwa zvemafosiri
3 mu The Paleobiology Database4
Kuwanikwa
The first fossil of Parahesperornis alexi was found in 1894 by H. T. Martin in Graham County, Kansas. It was later named by L. D. Martin in 1984.24
Zvichiri kupokanwa
Scientists are not sure if some fossils from Mongolia belong to Parahesperornis or a different, similar bird.1

Kunobva chokwadi

  1. Parahesperornis (en.wikipedia.org)
  2. Anatomy of Parahesperornis: Evolutionary Mosaicism in the Cretaceous Hesperornithiformes (Aves) (mdpi.com)
  3. Anatomy of Parahesperornis: Evolutionary Mosaicism in the Cretaceous Hesperornithiformes (Aves) (pmc.ncbi.nlm.nih.gov)
  4. Parahesperornis in The Paleobiology Database (CC BY 4.0): zera, nzvimbo, mapoka ematombo, kurongwa kwemhuka.

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Mamwe kubva muboka rimwe chete: Shiri dzekutanga

ArchaeopteryxShiri dzekutangaHesperornisShiri dzekutangaIchthyornisShiri dzekutangaBaptornisShiri dzekutangaJurapteryxShiri dzekutangaGobipteryxShiri dzekutanga

Zvimwe zvenguva imwe chete: Cretaceous Yekupedzisira

TyrannosaurusMatiranosauroTriceratopsMadhino ane nyangaVelociraptorMaraputaSpinosaurusMaspinosauroAnkylosaurusMadhino ane nhovoParasaurolophusMiromo-yedhadha
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