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Chithunzi choseketsa cha Parahesperornis
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Parahesperornis

Dzina limatanthauza: “near Hesperornis”1
Ankadya: NyamaMbalame zoyambiriraKumapeto kwa Kretase

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

Ankakhala
zaka 90 mpaka 84 miliyoni zapitazo4
Kumapeto kwa Kretase
Mafosili apezeka ku
Kansas, USA41
Utali
0.6 mpaka 0.9 m (2 mpaka 3 ft)2
Msinkhu
0.41 m (1.3 ft)
kuyerekeza
Liwiro lalikulu kwambiri
pafupifupi 9 km/h (6 mph)
Kusambira, kuyerekeza

Ankakhala liti?

Triasiki
Jurasiki
Kretase
Zaka 252 miliyoni zapitazo20114566, asteroidi

Anali wamkulu bwanji?

Anali wautali bwanji?

Parahesperornis utali wa pafupifupi 0.9 m (3 ft)Mphaka wa pakhomo pafupifupi 0.5 m (1.6 ft)Galu pafupifupi 1 m (3.3 ft)Njinga ya munthu wamkulu pafupifupi 1.8 m (5.9 ft)

Msinkhu wake unali wautali bwanji?

Mphaka wa pakhomopafupifupi 0.3 m (1 ft)Parahesperornismsinkhu wa pafupifupi 0.41 m (1.3 ft)Galupafupifupi 0.5 m (1.6 ft)Hatchipafupifupi 1.6 m (5.2 ft)

kuyerekeza

wautali ngati amphaka a pakhomo 2 otsatizana mphuno ndi mchirawautali ngati nthochi 5 zotsatizanawamng'ono moti angayende pansi pa mpandoakanatha kusambira utali wa dziwe lalikulu losambira (50 m) m'masekondi 20

Parahesperornis anali wamkulu bwanji poyerekeza ndi IWEYO?

Ndi masamu chabe mu msakatuli wako. Palibe chimene chimasungidwa kapena kutumizidwa kwina kulikonse.

Anali ndi liwiro lotani?

zinthu zosangalatsa

Mfundo zosangalatsa

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

Chopangidwa ndi AIChithunzi cha Parahesperornis chopangidwa ndi AI
Chithunzi cha momwe Parahesperornis mwina ankaonekera, chopangidwa ndi kompyuta kuchokera pa zomwe asayansi amadziwa. Ndi kungoyerekeza: nyama yeniyeniyo mwina inkaoneka mosiyana, ndipo palibe amene akudziwa mitundu yake yeniyeni.
mwafunsa

Mafunso ofunsidwa kwambiri okhudza 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

Wothetsa nthano zabodza

Nthano: Some people think Parahesperornis was a dinosaur.

Zoona: 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

Kwa akatswiri a madino

Dzina la sayansi
Parahesperornis
Anapatsidwa dzina ndi
Martin 19844
Gulu
Mbalame zoyambirira
Banja / kladi
Hesperornithidae4
Magawidwe a sayansi
Theropoda > Avialae4
Zaka za miyala
zaka 90 mpaka 84 miliyoni (Coniacian / Santonian)4
Mapangidwe a miyala
Niobrara4
Mayiko
Amereka4
Zolemba za mafosili
3 mu The Paleobiology Database4
Kupezeka
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
Akukambiranabe
Scientists are not sure if some fossils from Mongolia belong to Parahesperornis or a different, similar bird.1

Kumene mfundo zimachokera

  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): zaka, malo, mapangidwe a miyala, magawidwe a sayansi.

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Ena a gulu lomweli: Mbalame zoyambirira

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Enanso a nthawi yomweyo: Kumapeto kwa Kretase

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Dyetsa Rexbokosi la mphatso la akuluakulu