Limenavis

Izina risobanura: “bird of the threshold or limit bird”1

Yaryaga: InyamaInyoni za mbereKiretase ya nyuma

Limenavis was a bird that lived near the end of the age of dinosaurs, about 70 million years ago. It was one of the closest relatives of all modern birds that scientists have ever found in the fossil record.1

Yabayeho

hashize imyaka miliyoni 72 kugeza 664

Kiretase ya nyuma

Ibisigazwa byabonetse muri

Salitral Moreno, 20 km south of General Roca, Río Negro, Argentina1

Umuvuduko wo hejuru

nka 27 km/h (17 mph)

Kuguruka, igereranya

Yabayeho ryari?

Triyasike

Jurasike

Kiretase

Hashize miliyoni 252 z'imyaka20114566, asiteroyide

Yihutaga ite?

Umuntu ugenda n'amaguru nka 5 km/h (3 mph)

Umwana ku igare nka 12 km/h (7 mph)

Limenavis nka 27 km/h (17 mph)

Ifarashi yiruka cyane nka 65 km/h (40 mph)

Ingwe yihuta cyane nka 100 km/h (62 mph)

utuntu twiza cyane

Utuntu dushimishije

Limenavis is known only from a few broken wing bones, but these bones show it was more advanced than older birds like Ichthyornis.3

Its name means 'bird of the threshold' because it lived right at the doorstep of modern birds.1

Scientists have debated whether Limenavis was closer to modern birds or to more primitive ones, and different studies have placed it in different groups.1

Some scientists think Limenavis might be related to the ancestors of tinamous or rheas, which are birds that still live in South America today.1

Limenavis lived in what is now Patagonia, Argentina, during the Late Cretaceous period, about 70 million years ago.1

Ishusho ya Limenavis yakozwe na AI — Ishusho yakozwe na AI yerekana uko Limenavis ishobora kuba yari isa, yakozwe na mudasobwa hashingiwe ku byo abahanga bazi. Ni ugukeka gusa: inyamaswa nyayo ishobora kuba yari isa ukundi, kandi nta muntu uzi amabara yayo nyayo.

wabajije

Ibibazo bibazwa cyane kuri Limenavis

?Was Limenavis a dinosaur?

Yes, Limenavis is a genus of ornithuran dinosaurs from the Late Cretaceous. It is one of the closest relatives of modern birds.1

?How big was Limenavis?

Nobody knows for sure. Only a few broken wing bones have been found, so scientists cannot estimate its full size.1

?When did Limenavis live?

Limenavis lived about 70 million years ago, near the end of the Cretaceous period.1

?Where was Limenavis found?

Its fossils were found in Patagonia, Argentina, at a site called Salitral Moreno, about 20 km south of General Roca.1

Ku bazobereye muri dinozore

Izina rya siyansi: Limenavis
Yiswe na: Clarke and Chiappe 20014
Itsinda: Inyoni za mbere
Umuryango / ishami: Ornithurae4
Ishyirwa mu byiciro: Theropoda > Avialae4
Imyaka y'amabuye: imyaka miliyoni 72 kugeza 66 (Maastrichtian)4
Inzego z'amabuye: Allen4
Ibihugu: Arijantine4
Ibisigazwa byanditswe: 1 muri The Paleobiology Database4
Ivumburwa: Limenavis was named by Julia Clarke and Luis Chiappe in 2001, based on wing bones found in the Allen Formation of Argentina.3 1
Biracyagibwaho impaka: Scientists still debate whether Limenavis was closer to modern birds or to more primitive birds like Ichthyornis.1

Aho amakuru yakuwe

Limenavis (en.wikipedia.org)
PBDB Taxon (paleobiodb.org)
A new carinate bird from the late Cretaceous of Patagonia (Argentina). American Museum novitates ; no. 3323 (digitallibrary.amnh.org)
Limenavis in The Paleobiology Database (CC BY 4.0): imyaka, ahantu, inzego z'amabuye, ishyirwa mu byiciro.

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