Apsaravis

Jaten zuen: HaragiaLehen hegaztiakGoi Kretazeoa

Apsaravis was a small, flying bird that lived in the desert of Mongolia during the time of dinosaurs. It was about the size of a pigeon and could fly well, using its wings to hunt for food on the ground.1 2

Bizi izan zen

Duela 84 eta 72 milioi urte artean5

Goi Kretazeoa

Fosilak hemen aurkitu dira:

Ukhaa Tolgod, Omnogov Aimag, Mongolia5 2

Abiadura maximoa

27 km/h inguru (17 mph)

Hegan egitea, kalkulua

Noiz bizi izan zen?

Triasikoa

Jurasikoa

Kretazeoa

Duela 252 milioi urte20114566, asteroidea

Zein azkarra zen?

Pertsona bat oinez 5 km/h inguru (3 mph)

Haur bat bizikletan 12 km/h inguru (7 mph)

Apsaravis 27 km/h inguru (17 mph)

Zaldi bat lauhazka 65 km/h inguru (40 mph)

Gepardo bat 100 km/h inguru (62 mph)

gauza bikainak

Datu dibertigarriak

Apsaravis is one of the best-preserved fossil birds from the Mesozoic Era, with a nearly complete skeleton found.1

It lived about 83 to 72 million years ago, during the Campanian stage of the Late Cretaceous.5

The only known fossil of Apsaravis was discovered in the Djadokhta Formation of Mongolia, a famous area for dinosaur fossils.5 1

Apsaravis had a strong tubercle on its upper arm bone, which may have helped with powerful wing muscles for flight.2

This bird is important because it helps scientists understand how modern birds evolved from their dinosaur ancestors.1

Apsaravis is the only avialan (bird-like dinosaur) found at Ukhaa Tolgod besides the controversial alvarezsaurids.1

Apsaravis: AAk egindako irudia — Apsaravis nolakoa izan zitekeen erakusten duen AAk egindako irudia, ordenagailu batek zientzialariek dakitenetik sortua. Asmakizun bat da: benetako animalia desberdina izan zitekeen, eta inork ez daki zein ziren bere benetako koloreak.

zure galderak

Apsaravis: gehien egindako galderak

?Was Apsaravis a dinosaur?

Yes, Apsaravis was a dinosaur. It belongs to the group Avialae, which includes all birds.3 1

?How big was Apsaravis?

Apsaravis was about the size of a pigeon. Its nearly complete skeleton shows it was a small, flying bird.3 4

?What did Apsaravis eat?

Scientists think Apsaravis used its wings to hunt for food on the ground, but its exact diet is not known.3

?Could Apsaravis fly?

Yes, Apsaravis could fly well. It had a special bony projection on its hand that helped automate wing extension, a key feature for modern bird flight.3 1

Dino adituentzat

Izen zientifikoa: Apsaravis
Izendatzailea:: Norell and Clarke 20015
Taldea: Lehen hegaztiak
Familia / klada: Ornithuromorpha5
Sailkapena: Theropoda > Avialae5
Arroken adina: 84 eta 72 milioi urte artean (Campanian)5
Arroka-formazioak: Djadokhta5
Herrialdeak: Mongolia5
Fosil-erregistroak: 1 The Paleobiology Database datu-basean5
Aurkikuntza: Apsaravis was named by Mark Norell and Julia Clarke in 2001, based on a nearly complete skeleton found at Ukhaa Tolgod in Mongolia.5 1
Oraindik eztabaidagai: Scientists are still debating exactly where Apsaravis fits on the bird family tree, especially whether it is more closely related to modern birds or to ancient diving birds like Hesperornis.1 2

Datuak nondik datozen

Fossil that fills a critical gap in avian evolution | Nature (nature.com)
The morphology and phylogenetic position of Apsaravis ukhaana from the late Cretaceous of Mongolia. American Museum novitates ; no. 3387 (digitallibrary.amnh.org)
Apsaravis (en.wikipedia.org)
The Morphology and Phylogenetic Position of Apsaravis ukhaana from the Late Cretaceous of Mongolia (digitallibrary.amnh.org)
Apsaravis in The Paleobiology Database (CC BY 4.0): adina, tokiak, arroka-formazioak, sailkapena.

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