Kaririavis

Leina le raya: “Kariri bird, named after the Karirí people of northeastern Brazil”1

E jele: NamaDinonyane tsa ntlhaTshimologo ya Cretaceous

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!1 2

E tshetse

dimilione tsa dingwaga di le 120 go ya go 113 tse di fetileng4

Tshimologo ya Cretaceous

Difosili di fitlhetswe kwa

Pedra Branca Mine, Nova Olinda County, Ceará State, Brazil1

Bonako jo bogolo

e ka nna 27 km/h (17 mph)

Go fofa, kakanyo

E tshetse leng?

Triassic

Jurassic

Cretaceous

dimilione tsa dingwaga di le 252 tse di fetileng20114566, asteroiti

E ne e le bonako go le kae?

Motho yo o tsamayang e ka nna 5 km/h (3 mph)

Ngwana mo baesekeleng e ka nna 12 km/h (7 mph)

Kaririavis e ka nna 27 km/h (17 mph)

Pitse e e sianang ka bonako e ka nna 65 km/h (40 mph)

Lengau e ka nna 100 km/h (62 mph)

dilo tse di monate

Dintlha tse di monate

Kaririavis is the oldest known ornithuromorph bird from Gondwana, the ancient southern supercontinent.1 2

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

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

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

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

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

Setshwantsho sa Kaririavis se se dirilweng ke AI — Setshwantsho se se dirilweng ke AI sa kafa Kaririavis e ka tswang e ne e lebega ka gone, se dirilwe ke khomputara go ya ka se borasaense ba se itseng. Ke kakanyo fela: phologolo ya nnete e ka tswa e ne e lebega ka tsela e sele, mme ga go ope yo o itseng mebala ya yona ya nnete.

Ya baitseanape ba didino

Leina la saense: Kaririavis
Leina le neilwe ke: Carvalho et al. 20214
Setlhopha: Dinonyane tsa ntlha
Lelapa / clade: Ornithuromorpha4
Thulaganyo: Theropoda > Avialae4
Bogolo jwa matlapa: 120 go ya go 113 dimilione tsa dingwaga (Aptian)4
Dibopego tsa matlapa: Crato4
Dinaga: Borasele4
Direkoto tsa difosili: 1 mo The Paleobiology Database4
Go fitlhelwa: 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.1 3
Go sa ntse go ganetsanwa: 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

Kwa dintlha di tswang teng

A new ornithuromorph bird from the Lower Cretaceous of South America (igeo.ufrj.br)
Kaririavis (en.wikipedia.org)
PBDB Taxon (paleobiodb.org)
Kaririavis in The Paleobiology Database (CC BY 4.0): dingwaga, mafelo, dibopego tsa matlapa, thulaganyo.

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