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Sinornithosaurus
Sinornithosaurus was a small, feathered raptor that lived in what is now China. It looked a lot like a bird and could probably glide or flap its arms. This dinosaur helps scientists understand how birds evolved from meat-eating dinosaurs.21
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Sinornithosaurus had feathers all over its body, like a bird.2
It is one of the earliest and most complete dromaeosaurid dinosaurs ever found.2
Its shoulder bones show it could probably flap its arms, even though it could not fly like a modern bird.2
Sinornithosaurus lived about 122 to 120 million years ago during the Early Cretaceous.1
It was about 2 metres (6.6 feet) long, about the size of a large turkey.1
Scientists think Sinornithosaurus is more closely related to birds than to some other dinosaurs like Troodon.2
Sinornithosaurus: gehien egindako galderak
?How big was Sinornithosaurus?
About 1.2 metres long and weighed 3 to 5 kilograms. It was among the smallest dromaeosaurids.3
?Did Sinornithosaurus have feathers?
Yes, it had feathers all over its body and on its wings. The feathers were very similar to those of birds from the same time.31
?Could Sinornithosaurus fly?
It could probably glide for short distances after leaping from trees, but it could not fly like a modern bird. Some scientists think it was too heavy to fly.3
?Was Sinornithosaurus venomous?
Maybe. One study suggested it had a venomous bite, but another study disagreed, so scientists are not sure.3
Dino adituentzat
- Izen zientifikoa
- Sinornithosaurus
- Izendatzailea:
- Xu et al. 19995
- Taldea
- Raptoreak
- Familia / klada
- Dromaeosauridae5
- Sailkapena
- Theropoda > Dromaeosauridae5
- Arroken adina
- 126 eta 120 milioi urte artean (Barremian / Aptian)5
- Arroka-formazioak
- Yixian5
- Herrialdeak
- Txina5
- Fosil-erregistroak
- 3 The Paleobiology Database datu-basean5
- Aurkikuntza
- Sinornithosaurus was named in 1999 by Xu Xing, Wang Xiaolin, and Wu Xiaochun based on a nearly complete skeleton found at Sihetun in Liaoning, China.21
- Oraindik eztabaidagai
- Scientists still debate whether Sinornithosaurus could actually fly or just glide, and how its feathers were used.2
Datuak nondik datozen
- Sinornithosaurus | Natural History Museum (nhm.ac.uk)
- A dromaeosaurid dinosaur with a filamentous integument from the Yixian Formation of China (ideas.repec.org)
- Sinornithosaurus (en.wikipedia.org)
- Sinornithosaurus (wikipedia.nlaha.com)
- Sinornithosaurus in The Paleobiology Database (CC BY 4.0): adina, tokiak, arroka-formazioak, sailkapena.
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