Limenavis

Igama lithetha: “bird of the threshold or limit bird”1

Yayitya: InyamaIintaka zokuqalaiCretaceous yamva

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

Yaphila

72 ukuya ku-66 izigidi zeminyaka eyadlulayo4

iCretaceous yamva

Iifosili zifunyenwe:

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

Esona santya siphezulu

malunga ne-27 km/h (17 mph)

Ukubhabha, uqikelelo

Yaphila nini?

iTriassic

iJurassic

iCretaceous

Izigidi ezingama-252 zeminyaka eyadlulayo20114566, i-asteroyidi

Yayikhawuleza kangakanani?

Umntu ohambayo malunga ne-5 km/h (3 mph)

Umntwana ekhwele ibhayisikile malunga ne-12 km/h (7 mph)

Limenavis malunga ne-27 km/h (17 mph)

Ihashe elibaleka ngamandla malunga ne-65 km/h (40 mph)

Ingwenkala malunga ne-100 km/h (62 mph)

izinto ezimnandi

Iinyani ezimnandi

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

Umfanekiso owenziwe yi-AI: Limenavis — Umfanekiso owenziwe yi-AI obonisa indlela Limenavis esenokuba wayekhangeleka ngayo, wenziwe yikhompyutha ngokwento eyaziwa zizazinzulu. Kukuqikelela nje: esona silwanyana sinokuba sasikhangeleka ngenye indlela, kwaye akukho mntu waziyo imibala yaso yokwenyani.

ubuzile

Eyona mibuzo ibuzwa kakhulu: 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

Kwiingcali zeedayinaso

Igama lenzululwazi: Limenavis
Inikwe igama ngu:: Clarke and Chiappe 20014
Iqela: Iintaka zokuqala
Usapho / iclade: Ornithurae4
Ukuhlelwa: Theropoda > Avialae4
Ubudala bamatye: 72 ukuya ku-66 izigidi zeminyaka (Maastrichtian)4
Izakhiwo zamatye: Allen4
Amazwe: i-Argentina4
Iirekhodi zeefosili: 1 kwi-Paleobiology Database4
Ukufunyanwa: Limenavis was named by Julia Clarke and Luis Chiappe in 2001, based on wing bones found in the Allen Formation of Argentina.3 1
Kusaxoxwa ngayo: Scientists still debate whether Limenavis was closer to modern birds or to more primitive birds like Ichthyornis.1

Apho iinyani zivela khona

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): ubudala, iindawo, izakhiwo zamatye, ukuhlelwa.

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