恐龍卡第 1677 張，共 2 027 張

Sinornithosaurus

名字的意思： “Chinese bird lizard”1

吃：肉迅猛龍類白堊紀早期

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.2 1

生存年代

126 到 120 百萬年前5

白堊紀早期

化石發現地

Sihetun, Liaoning Province, China2

長度

2 m (6.6 ft)1

體重

3 kg 到 5 kg (7 到 11 lb)3 4

高度

0.69 m (2.3 ft)

估計值

最高速度

時速約 29 公里（18 英里）

跑步, 估計值

牠生活在什麼時候？

三疊紀

侏羅紀

白堊紀

2 億 5200 萬年前20114566，小行星撞地球

牠有多大？

牠有多長？

牠有多高？

估計值

牠有多重？

跟 1 隻家貓一樣重

跟 4 隻家貓從鼻子接到尾巴一樣長跟 11 根香蕉頭尾相接一樣長大約跟一隻家貓一樣重跟 42 根香蕉一樣重能在 12 秒內跑完 100 公尺（最快的人類要 9.6 秒）

Sinornithosaurus 跟「你」比起來有多大？

只是在你的瀏覽器裡算算數學。什麼都不會被儲存或傳送出去。

牠有多快？

走路的人 時速約 5 公里 (3 mph)

騎腳踏車的小朋友 時速約 12 公里 (7 mph)

Sinornithosaurus 時速約 29 公里 (18 mph)

一匹飛奔的馬 時速約 65 公里 (40 mph)

一隻獵豹 時速約 100 公里 (62 mph)

酷東西

趣味知識

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 的 AI 繪圖 — 這是電腦根據科學家目前的知識，用 AI 畫出 Sinornithosaurus 可能的樣子。這只是猜測：真正的動物可能長得不一樣，也沒有人知道牠真正的顏色。

你們都在問

關於 Sinornithosaurus 最常被問的問題

?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.3 1

?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

?What did Sinornithosaurus eat?

It was a carnivore, meaning it ate meat. It probably hunted small prey like birds.1 3

?When did Sinornithosaurus live?

It lived during the Early Cretaceous Period, about 125 to 122 million years ago.3 1

給恐龍專家

學名: Sinornithosaurus
命名者: Xu et al. 19995
類群: 迅猛龍類
科 / 演化支: Dromaeosauridae5
分類: Theropoda > Dromaeosauridae5
岩石的年代: 126 到 120 百萬年 (Barremian / Aptian)5
岩層: Yixian5
國家: 中國5
化石紀錄: The Paleobiology Database 收錄 3 筆5
發現: 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.2 1
仍有爭議: Scientists still debate whether Sinornithosaurus could actually fly or just glide, and how its feathers were used.2