恐龍卡第 0453 張，共 2 027 張

Cratoavis

名字的意思： “Crato bird”1

吃：魚早期鳥類白堊紀早期

Cratoavis was a small bird that lived about 117 million years ago in what is now Brazil. It had feathers on its wings and body, and it ate fish for dinner!1 2

生存年代

120 到 113 百萬年前4

白堊紀早期

化石發現地

Pedra Branca Quarry, Crato Formation, Ceará, Brazil4 1

最高速度

時速約 27 公里（17 英里）

飛行, 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)

Cratoavis 時速約 27 公里 (17 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

Cratoavis is one of the earliest known fossil birds from South America, living about 117 million years ago.2

Its fossil includes feathers attached to the wings and around the body, showing what it looked like.1

Fish bones from at least two small fish called Dastilbe crandalli were found inside the bird's digestive tract.2

This is the first direct evidence of what any Mesozoic bird from the Southern Hemisphere ate.2

Cratoavis had a short beak, but it still caught and ate fish.2

Cratoavis 的 AI 繪圖 — 這是電腦根據科學家目前的知識，用 AI 畫出 Cratoavis 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 Cratoavis 最常被問的問題

?How big was Cratoavis?

It was a very small bird, about the size of a sparrow. The fossil shows it had a short beak and long tail feathers.1 3

?What did Cratoavis eat?

It ate fish. Fish bones from at least two small fish called Dastilbe crandalli were found inside its digestive tract.2 1

?Did Cratoavis have feathers?

Yes, its fossil has feathers attached to the wings and around the body, including two very long tail feathers.1 3

?When did Cratoavis live?

It lived about 117 million years ago, during the Early Cretaceous period.1 3

給恐龍專家

學名: Cratoavis
命名者: Carvalho et al. 20154
類群: 早期鳥類
科 / 演化支: Euenantiornithes4
分類: Theropoda > Avialae4
岩石的年代: 120 到 113 百萬年 (Aptian)4
岩層: Crato4
國家: 巴西4
化石紀錄: The Paleobiology Database 收錄 1 筆4
發現: Cratoavis was named in 2015 by Carvalho and colleagues. The fossil was found in the Crato Formation in Brazil.4 1
仍有爭議: Scientists are not sure exactly how big Cratoavis was, because only one fossil has been found.1