Fukuipteryx
Fukuipteryx was a tiny, pigeon‑sized bird that lived in Japan about 120 million years ago. It had a short tail with a special bone called a pygostyle, and its wings were built for flying. This little bird is one of the oldest birds ever found outside of China.12
Kañ la dundoon?
Naka la gaawoon?
Xibaar yu neex
Fukuipteryx is one of the most primitive birds known, even more primitive than Jeholornis from China.1
Its skeleton was found in three dimensions, not squashed flat like most other early bird fossils.12
The fossil was a young bird, not fully grown, which scientists could tell by looking at its bones under a microscope.12
Fukuipteryx had a strong, paddle‑shaped pygostyle at the end of its tail, which helped it steer in the air.1
It lived in a warm, lowland environment with rivers, very different from the volcanic lakes where most early birds are found.2

Laaj yi ñu gën a laaj ci Fukuipteryx
?How big was Fukuipteryx?
It was about the size of a modern pigeon. The fossil was a subadult, so it was nearly full-grown when it died.31
?When did Fukuipteryx live?
It lived about 120 million years ago, during the Early Cretaceous period.31
Ngir ñi xam dino lool
- Turu xam-xam
- Fukuipteryx
- Ku ko tudde
- Imai et al. 20194
- Kurél
- Picc yu jëkk yi
- Njaboot / klad
- Avialae4
- Klasifikasiyoŋ
- Theropoda > Avialae4
- Màggaayu doj yi
- 121 ba 113 milyoŋ at (Aptian)4
- Formasiyoŋi doj
- Kitadani4
- Réew yi
- Sapoŋ4
- Fosil yu ñu gis
- 1 ci The Paleobiology Database4
- Gisees
- The first skeleton of Fukuipteryx was collected in 2013 in Katsuyama, Japan. Scientists led by Takuya Imai named it in 2019.14
- Ñu ngi koy werante ba tey
- Scientists are not sure exactly where Fukuipteryx fits on the bird family tree. Some features make it look very primitive, but it also has a pygostyle, which is usually found in more advanced birds.12
Fa xibaar yi jóge
- An unusual bird (Theropoda, Avialae) from the Early Cretaceous of Japan suggests complex evolutionary history of basal birds | Communications Biology (nature.com)
- An unusual bird (Theropoda, Avialae) from the Early Cretaceous of Japan suggests complex evolutionary history of basal birds (pmc.ncbi.nlm.nih.gov)
- Fukuipteryx (en.wikipedia.org)
- Fukuipteryx in The Paleobiology Database (CC BY 4.0): at, béréb yi, formasiyoŋi doj, klasifikasiyoŋ.
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