Apsaravis

Kan nyaate: FoonSimbirroota jalqabaaKireetaashasii Dhumaa

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

Kan jiraate

waggaa miliyoona 84 hanga 72 dura5

Kireetaashasii Dhumaa

Fosiliiwwan kan itti argaman

Ukhaa Tolgod, Omnogov Aimag, Mongolia5 2

Saffisa ol'aanaa

gara 27 km/sa'a (17 mph)

Balali'uu, tilmaama

Yoom jiraate?

Tiraayaasikii

Juraasikii

Kireetaashasii

waggaa miliyoona 252 dura20114566, asteerooyidii

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)

Apsaravis gara 27 km/sa'a (17 mph)

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

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

wantoota bareedoo

Odeeffannoowwan bashannansiisoo

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

Fakkii AI'n hojjetame: Apsaravis — Fakkii AI'n hojjetame kan Apsaravis 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 Apsaravis baay'ee gaafataman

?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

Ogeeyyii daayinootiif

Maqaa saayinsii: Apsaravis
Kan maqaa baase: Norell and Clarke 20015
Garee: Simbirroota jalqabaa
Maatii / kilaadii: Ornithuromorpha5
Ramaddii: Theropoda > Avialae5
Umurii dhagaawwanii: waggaa miliyoona 84 hanga 72 (Campanian)5
Caasaawwan dhagaa: Djadokhta5
Biyyoota: Mongooliyaa5
Galmee fosilii: 1 The Paleobiology Database keessa5
Argannoo: 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
Ammallee falmisiisaa: 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

Odeeffannoon eessaa dhufa

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): umurii, bakkeewwan, caasaawwan dhagaa, ramaddii.

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