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Karete ya dinosaure No. 0855 ho tse 2 027

Ichthyornis

Lebitso le bolela: “fish bird”1

E jele: DitlhapiDinonyana tsa peleKretase ya Morao

Ichthyornis was a seabird that lived during the time of dinosaurs. It had a beak like a modern gull but also sharp teeth in its jaws. It flew over the huge inland sea that once covered the middle of North America.1 4

E phetse

dilemo tse dimilione tse 100 ho isa ho 72 tse fetileng4

Kretase ya Morao

Difosili di fumanwe ho

Alberta and Saskatchewan in Canada; Alabama, California, Kansas, New Mexico, Texas in the USA; also Mexico and Uzbekistan4 1

Bolelele

0.24 m (0.8 ft)1

Bophara ba mapheo

0.43 m (1.4 ft)1

Bophahamo

0.2 m (0.7 ft)3

Lebelo le phahameng ka ho fetisisa

e ka bang 26 km/h (16 mph)

Ho fofa, kakanyo

E phetse neng?

Triasiki

Jurasiki

Kretase

Dilemo tse dimilione tse 252 tse fetileng20114566, asteroiti

E ne e le kgolo hakae?

E ne e le telele hakae?

E ne e phahame hakae?

telele jwaloka ditene tsa ho bapala tse 8 ka molae nyane hoo e ka tsamayang ka tlasa setuloe ne e ka fofa ho tshela lebala lohle la bolo ya maoto ka metsotswana e 15

Ichthyornis e ne e le kgolo hakae ha e bapiswa le WENA?

Ke dipalo feela ho browser ya hao. Ha ho letho le bolokwang kapa le romelwang kae kapa kae.

E ne e le lebelo hakae?

Motho ya tsamayang ka maoto e ka bang 5 km/h (3 mph)

Ngwana a palame baesekele e ka bang 12 km/h (7 mph)

Ichthyornis e ka bang 26 km/h (16 mph)

Pere e mathang ka matla e ka bang 65 km/h (40 mph)

Lengau e ka bang 100 km/h (62 mph)

dintho tse monate

Dintlha tse monate

Ichthyornis was one of the first prehistoric birds discovered with teeth, and Charles Darwin said it was important for understanding evolution.1

Its backbone bones were shaped like a fish's, which is why it got the name 'fish bird'.1

The beak of Ichthyornis was made of several separate plates, like an albatross's beak, not a single piece like most modern birds.1

Ichthyornis lived between about 93 and 83.5 million years ago, during the Late Cretaceous Period.1

Over time, Ichthyornis grew larger: older fossils have a wing bone about 58 mm long, while younger ones have a wing bone about 71.5 mm long.1

Its teeth were curved backward and set in a groove, similar to those of marine reptiles like mosasaurs.1

Ichthyornis is one of the closest extinct relatives of modern birds, helping scientists learn how today's birds evolved.1

Setshwantsho sa Ichthyornis se entsweng ke AI — Setshwantsho se entsweng ke AI, se bontshang kamoo Ichthyornis e ka beng e ne e shebahala kateng, se entswe ke khomphutha ho ya ka seo bo-ramahlale ba se tsebang. Ke ho hakanya feela: phoofolo ya nnete e ka nna ya ba e ne e shebahala ka tsela e nngwe, mme ha ho motho ya tsebang mebala ya yona ya nnete.

o botsitse

Dipotso tse botswang haholo ka Ichthyornis

?How big was Ichthyornis?

About 24 centimetres (9.4 inches) long, with a skeletal wingspan of around 43 centimetres (17 inches). That is about the size of a pigeon.1

?Did Ichthyornis have teeth?

Yes, it had sharp, backward-curved teeth in the middle part of its jaws. The tips of its jaws had no teeth and were covered by a beak.1

?Could Ichthyornis fly?

Yes, it was a strong flier. Its wings and breastbone looked very modern, similar to birds that fly well today.1

?What did Ichthyornis eat?

It probably ate fish and other small sea animals, like modern gulls and terns. Its teeth helped it grab slippery prey.2

?When did Ichthyornis live?

It lived during the Late Cretaceous Period, from about 93 million to 83.5 million years ago.1

?Where did Ichthyornis live?

It lived along the coasts of the huge inland sea that covered the middle of North America. Its fossils have been found in Kansas, Texas, Alberta, and other places.1

?Is Ichthyornis a dinosaur?

Yes, birds evolved from dinosaurs, so Ichthyornis is a type of dinosaur called an avialan. But it is not a non-avian dinosaur like T. rex.1

Mosenyi wa ditshomo

Tshomo: Ichthyornis is sometimes thought to be a dinosaur like T. rex.

Nnete: Ichthyornis is a bird, not a non-avian dinosaur. It belongs to the group Avialae, which includes modern birds and their extinct relatives.1

Bakeng sa ditsebi tsa didinosaure

Lebitso la saense: Ichthyornis
E rehilwe ke: Marsh 18724
Sehlopha: Dinonyana tsa pele
Lelapa / leloko: Ichthyornithes4
Tlhophiso: Theropoda > Avialae4
Dilemo tsa mafika: dilemo tse dimilione tse 100 ho isa ho 72 (Cenomanian / Campanian)4
Dibopeho tsa mafika: Niobrara, Mooreville Chalk, Belle Fourche4
Dinaha: Amerika, Kanada, Uzbekistan, Meksiko4
Direkoto tsa difosili: 33 ho The Paleobiology Database4
E boetse e tsejwa e le: Angelinornis, Colonosaurus, Plegadornis (mabitso a kgale jwale a balwa e le phoofolo e le nngwe)4
Ho sibollwa: Ichthyornis was named by American paleontologist Othniel Charles Marsh in 1872. At first, Marsh thought the toothed jaws belonged to a marine reptile, but later in 1873 he realized they were part of the bird.1 2
E sa ntse e phehwa kgang: Scientists still debate whether the species should be called Ichthyornis dispar or Ichthyornis anceps, because of naming rules.1

Moo dintlha di tswang teng

Ichthyornis (en.wikipedia.org)
Ichthyornis | Cretaceous period, seabird, toothed beak (britannica.com)
A New Specimen of the Late Cretaceous Bird, cf.Ichthyornissp., from the Cenomanian of Central Kansas, with Comments on the Size Distribution ofIchthyornisin North America (exa.ai)
Ichthyornis in The Paleobiology Database (CC BY 4.0): dilemo, dibaka, dibopeho tsa mafika, tlhophiso.

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