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Khathune ya Cruralispennia
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Cruralispennia

Lebitso le bolela: “leg feather”1
E jele: NamaDinonyana tsa peleKretase ya Pele

Cruralispennia was a tiny, feathered bird that lived about 131 million years ago in what is now China. It had strange, wiry feathers on its legs that no other bird had before or since!1

E phetse
dilemo tse dimilione tse 133 ho isa ho 126 tse fetileng4
Kretase ya Pele
Difosili di fumanwe ho
Sichakou Basin, Fengning County, Hebei Province, northeastern China1
Lebelo le phahameng ka ho fetisisa
e ka bang 27 km/h (17 mph)
Ho fofa, kakanyo

E phetse neng?

Triasiki
Jurasiki
Kretase
Dilemo tse dimilione tse 252 tse fetileng20114566, asteroiti

E ne e le lebelo hakae?

dintho tse monate

Dintlha tse monate

1

Cruralispennia had a plough-shaped pygostyle, a fused tail bone that was thought to only exist in more advanced birds. This shows that different bird groups evolved similar features separately.1

2

Its leg feathers were unlike any seen before: the base was like a stiff wire, and the tip was fluffy and split into many tiny strands.1

3

Even though Cruralispennia lived very early in bird history, its shoulder bone (coracoid) was already very slender, a shape usually found in later Cretaceous birds.1

4

The name Cruralispennia means 'leg feather' in Latin, because of the unusual feathers on its shin bone (tibiotarsus).1

5

This bird had 14 teeth in its lower jaw, which is why its full species name is multidonta, meaning 'many teeth'.1

6

Cruralispennia lived alongside other early birds like Protopteryx and Eoconfuciusornis in the same ancient lake environment.1

E entswe ke AISetshwantsho sa Cruralispennia se entsweng ke AI
Setshwantsho se entsweng ke AI, se bontshang kamoo Cruralispennia e ka beng e ne e shebahala kateng, se entswe ke khomphutha ho ya ka seo bo-ramahlale ba se tsebang. Ke ho hakanya feela: phoofolo ya nnete e ka nna ya ba e ne e shebahala ka tsela e nngwe, mme ha ho motho ya tsebang mebala ya yona ya nnete.
o botsitse

Dipotso tse botswang haholo ka Cruralispennia

?How big was Cruralispennia?

Cruralispennia was a tiny bird, about the size of a modern sparrow. Its leg feathers were only 12 to 16 mm long.23

?Where did Cruralispennia live?

It lived in what is now China, around a lake in the Sichakou Basin about 131 million years ago.2

?What did Cruralispennia eat?

Scientists think Cruralispennia likely ate insects or small prey, because it had sharp, curved claws and many teeth in its lower jaw.23

Bakeng sa ditsebi tsa didinosaure

Lebitso la saense
Cruralispennia
E rehilwe ke
Wang et al. 20174
Sehlopha
Dinonyana tsa pele
Lelapa / leloko
Enantiornithes4
Tlhophiso
Theropoda > Avialae4
Dilemo tsa mafika
dilemo tse dimilione tse 133 ho isa ho 126 (Hauterivian)4
Dibopeho tsa mafika
Huajiying4
Dinaha
Tjhaena4
Direkoto tsa difosili
1 ho The Paleobiology Database4
Ho sibollwa
Cruralispennia was named in 2017 by Min Wang and colleagues from a nearly complete skeleton found in the Huajiying Formation of China.41
E sa ntse e phehwa kgang
Scientists are not sure what the strange leg feathers were used for. They might have helped with display, insulation, or even sensing the environment.1

Moo dintlha di tswang teng

  1. npg.nature.com (npg.nature.com)
  2. Cruralispennia (en.wikipedia.org)
  3. A bizarre Early Cretaceous enantiornithine bird with unique crural feathers and an ornithuromorph plough-shaped pygostyle | Nature Communications (nature.com)
  4. Cruralispennia in The Paleobiology Database (CC BY 4.0): dilemo, dibaka, dibopeho tsa mafika, tlhophiso.

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Tse ding tsa sehlopha se le seng: Dinonyana tsa pele

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Le tsona tsa nako e le nngwe: Kretase ya Pele

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