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Kaririavis na ndenge ya karton
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Kaririavis

Nkombo elingi koloba: “Kariri bird, named after the Karirí people of northeastern Brazil”1
Alyaki: MosuniBandeke ya libosoKretase ya ebandeli

Kaririavis was a tiny, sparrow-sized bird that lived about 115 million years ago in what is now Brazil. It is one of the oldest known birds of its group from the southern continents. Scientists know it from just one fossil foot, but that foot tells a big story!12

Azalaki na bomoi
mbula milio 120 kino 113 eleki4
Kretase ya ebandeli
Bafosile emonanaki na
Pedra Branca Mine, Nova Olinda County, Ceará State, Brazil1
Mbangu ya likolo
pene na 27 km/h (17 mph)
Kopumbwa, kokanisa

Azalaki na bomoi ntango nini?

Triasiki
Jurasiki
Kretase
Mbula milio 252 eleki20114566, asteroide

Azalaki na mbangu boni?

makambo ya kitoko

Makambo ya kosepelisa

1

Kaririavis is the oldest known ornithuromorph bird from Gondwana, the ancient southern supercontinent.12

2

Its name honors the Karirí people, an indigenous group from northeastern Brazil.1

3

The fossil is just a single foot, but it includes at least 10 preserved contour feathers, which are the feathers that cover a bird's body.1

4

Kaririavis had a very large, hooked claw on its second toe, which was about one third the length of its foot bone.1

5

Unlike many early birds that lived near water, Kaririavis's foot shape suggests it may have spent most of its time on the ground.1

6

The fossil was found in the Crato Formation, a famous fossil site in Brazil known for preserving soft tissues like feathers.1

Esalemi na AIElilingi ya Kaririavis esalemi na AI
Elilingi esalemi na AI oyo ezali kolakisa ndenge Kaririavis akokaki kozala. Ordinatere esalaki yango na makambo oyo bato ya siansi bayebi. Ezali kaka kokanisa: nyama ya solo akokaki kozala ndenge mosusu, mpe moto moko te ayebi balangi na ye ya solo.

Mpo na bayebi ya badino

Nkombo ya siansi
Kaririavis
Nkombo epesamaki na
Carvalho et al. 20214
Lisanga
Bandeke ya liboso
Libota / klade
Ornithuromorpha4
Klasifikasio
Theropoda > Avialae4
Mbula ya mabanga
mbula milio 120 kino 113 (Aptian)4
Milongo ya mabanga
Crato4
Bikolo
Brezili4
Bafosile oyo ekomami
1 na The Paleobiology Database4
Ntango bamonaki yango
Kaririavis was named by Carvalho and colleagues in 2021, based on a fossil foot found at Pedra Branca Mine in Brazil. The species name 'mater' means 'mother' in Latin, because it is the oldest ornithuromorph from South America.13
Naino bazali kowelana
Scientists are not sure whether Kaririavis lived on the ground or in the trees, because its foot has a mix of features that point to different lifestyles.1

Esika makambo euti

  1. A new ornithuromorph bird from the Lower Cretaceous of South America (igeo.ufrj.br)
  2. Kaririavis (en.wikipedia.org)
  3. PBDB Taxon (paleobiodb.org)
  4. Kaririavis in The Paleobiology Database (CC BY 4.0): mbula, bisika, milongo ya mabanga, klasifikasio.

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