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Hesperornis

Dzina limatanthauza: “western bird”1

Ankadya: NsombaMbalame zoyambiriraKumapeto kwa Kretase

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

Ankakhala

zaka 90 mpaka 66 miliyoni zapitazo5

Kumapeto kwa Kretase

Mafosili apezeka ku

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

Utali

1.5 mpaka 1.8 m (4.9 mpaka 5.9 ft)1

Kulemera

10.6 kg (23 lb)1

Msinkhu

0.81 m (2.7 ft)

kuyerekeza

Liwiro lalikulu kwambiri

pafupifupi 16 km/h (10 mph)

Kusambira, kuyerekeza

Ankakhala liti?

Triasiki

Jurasiki

Kretase

Zaka 252 miliyoni zapitazo20114566, asteroidi

Anali wamkulu bwanji?

Anali wautali bwanji?

Msinkhu wake unali wautali bwanji?

kuyerekeza

Ankalemera bwanji?

wolemera ngati amphaka a pakhomo 2.5

wautali ngati amphaka a pakhomo 4 otsatizana mphuno ndi mchirawautali ngati nthochi 10 zotsatizanawolemera ngati nthochi 88akanatha kusambira utali wa dziwe lalikulu losambira (50 m) m'masekondi 11

Hesperornis anali wamkulu bwanji poyerekeza ndi IWEYO?

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

Anali ndi liwiro lotani?

Munthu akuyenda pafupifupi 5 km/h (3 mph)

Mwana pa njinga pafupifupi 12 km/h (7 mph)

Hesperornis pafupifupi 16 km/h (10 mph)

Hatchi ikuthamanga pafupifupi 65 km/h (40 mph)

Kakwiyo pafupifupi 100 km/h (62 mph)

zinthu zosangalatsa

Mfundo zosangalatsa

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

Chithunzi cha Hesperornis chopangidwa ndi AI — Chithunzi cha momwe Hesperornis 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 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

Wothetsa nthano zabodza

Nthano: Some people think Hesperornis was a dinosaur.

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

Kwa akatswiri a madino

Dzina la sayansi: Hesperornis
Anapatsidwa dzina ndi: Marsh 18725
Gulu: Mbalame zoyambirira
Banja / kladi: Hesperornithidae5
Magawidwe a sayansi: Theropoda > Avialae5
Zaka za miyala: zaka 90 mpaka 66 miliyoni (Coniacian / Maastrichtian)5
Mapangidwe a miyala: Pierre Shale, Rybushka, Niobrara5
Mayiko: Kanada, Amereka, Rasha, Swideni5
Zolemba za mafosili: 65 mu The Paleobiology Database5
Amadziwikanso kuti: Coniornis, Hargeria, Lestornis (mayina akale tsopano amawerengedwa ngati nyama yomweyi)5
Kupezeka: 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
Akukambiranabe: Scientists are still debating exactly how many species of Hesperornis existed, because many fossils are incomplete.1

Kumene mfundo zimachokera

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

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