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Hesperornis

Hiika maqaa: “western bird”1

Kan nyaate: QurxummiiSimbirroota jalqabaaKireetaashasii Dhumaa

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

Kan jiraate

waggaa miliyoona 90 hanga 66 dura5

Kireetaashasii Dhumaa

Fosiliiwwan kan itti argaman

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

Dheerina

1.5 hanga 1.8 m (4.9 hanga 5.9 ft)1

Ulfaatina

10.6 kg (23 lb)1

Ol-dheerina

0.81 m (2.7 ft)

tilmaama

Saffisa ol'aanaa

gara 16 km/sa'a (10 mph)

Daakuu, tilmaama

Yoom jiraate?

Tiraayaasikii

Juraasikii

Kireetaashasii

waggaa miliyoona 252 dura20114566, asteerooyidii

Hammam guddaa ture?

Hammam dheeraa ture?

Hammam ol-dheeraa ture?

tilmaama

Hammam ulfaataa ture?

akka adurree manaa 2.5 ulfaata

akka adurree manaa 4 funyaan hanga eegeetti dheeraaakka muuzii 10 walitti hiriiran dheeraaakka muuzii 88 ulfaatadheerina bishaan daakaa guddaa (50 m) sekondii 11 keessatti daakuu danda'a

SI wajjin yoo wal bira qabamu, Hesperornis hammam guddaa ture?

Herrega qofa barbaadduu kee keessatti. Wanti tokkollee hin olkaa'amu, eessayyuu hin ergamu.

Hammam saffisaa ture?

Nama miilaan deemu gara 5 km/sa'a (3 mph)

Daa'ima saayikilii irra jiru gara 12 km/sa'a (7 mph)

Hesperornis gara 16 km/sa'a (10 mph)

Farda gulufu gara 65 km/sa'a (40 mph)

Cheetaa gara 100 km/sa'a (62 mph)

wantoota bareedoo

Odeeffannoowwan bashannansiisoo

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

Fakkii AI'n hojjetame: Hesperornis — Fakkii AI'n hojjetame kan Hesperornis maal fakkaachuu akka danda'u agarsiisu, kompiitaraan beekumsa saayintistootaa irratti hundaa'uun hojjetame. Tilmaama qofa: bineensi dhugaa adda ta'ee mul'achuu danda'a, halluu isaa dhugaa immoo namni beeku hin jiru.

ati gaafatte

Gaaffiiwwan waa'ee Hesperornis baay'ee gaafataman

?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

Seenaa sobaa diigaa

Seenaa sobaa: Some people think Hesperornis was a dinosaur.

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

Ogeeyyii daayinootiif

Maqaa saayinsii: Hesperornis
Kan maqaa baase: Marsh 18725
Garee: Simbirroota jalqabaa
Maatii / kilaadii: Hesperornithidae5
Ramaddii: Theropoda > Avialae5
Umurii dhagaawwanii: waggaa miliyoona 90 hanga 66 (Coniacian / Maastrichtian)5
Caasaawwan dhagaa: Pierre Shale, Rybushka, Niobrara5
Biyyoota: Kanaadaa, Ameerikaa, Raashiyaa, Iswiidin5
Galmee fosilii: 65 The Paleobiology Database keessa5
Maqaan biraa: Coniornis, Hargeria, Lestornis (maqaawwan durii amma akka bineensa tokkootti lakkaa'amu)5
Argannoo: 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
Ammallee falmisiisaa: Scientists are still debating exactly how many species of Hesperornis existed, because many fossils are incomplete.1

Odeeffannoon eessaa dhufa

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): umurii, bakkeewwan, caasaawwan dhagaa, ramaddii.

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