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Karata ya dino No. 0590 mo go 2 027

Eoalulavis

Leina le raya: “dawn alula bird”1

E jele: NamaDinonyane tsa ntlhaTshimologo ya Cretaceous

Eoalulavis was a tiny bird that lived about 125 million years ago in what is now Spain. It was one of the earliest birds to have an alula, a special little wing feather that helps birds fly slowly and turn sharply.1

E tshetse

dimilione tsa dingwaga di le 126 go ya go 121 tse di fetileng2

Tshimologo ya Cretaceous

Difosili di fitlhetswe kwa

Las Hoyas, Cuenca, Spain1 2

Boleele

0.17 m (0.6 ft)1

Bophara jwa diphuka

0.26 m (0.9 ft)1

Bokete

0.045 kg (0 lb)1

Bonako jo bogolo

e ka nna 21 km/h (13 mph)

Go fofa, kakanyo

E tshetse leng?

Triassic

Jurassic

Cretaceous

dimilione tsa dingwaga di le 252 tse di fetileng20114566, asteroiti

E ne e le kgolo go le kae?

E ne e le telele go le kae?

E ne e le bokete go le kae?

bokete jaaka dibanana di le 0.5

bofefo go feta katse ya mo gaetelele jaaka ditena tsa go tshameka di le 5 mo molenge ne e ka fofa go kgabaganya lebala lotlhe la kgwele ya dinao mo metsotswaneng e le 18

Eoalulavis e ne e le kgolo go le kae fa e bapisiwa le WENA?

Ke dipalo fela mo sebatling sa gago. Ga go sepe se se bolokwang kgotsa se se romelwang gope.

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)

Eoalulavis e ka nna 21 km/h (13 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

Eoalulavis was about the size of a European goldfinch, weighing only about 45 grams (1.6 ounces).1

Its wingspan, including feathers, was only about 26 centimeters (10 inches), similar to a modern kingfisher.1

The name Eoalulavis means 'dawn alula bird' because it is one of the earliest birds known to have an alula, or 'bastard wing'.1

Scientists found the remains of its last meal inside the fossil: concentrated pieces of crustacean shells.1

Eoalulavis had a very thin, spear-shaped breastbone, unlike the wide breastbones of most early birds.1

It likely flew in a bounding style, flapping hard then tucking its wings to dive, like modern songbirds and woodpeckers.1

The fossil was preserved with feathers and soft tissues because it was buried quickly in a lake with special conditions.1

Setshwantsho sa Eoalulavis se se dirilweng ke AI — Setshwantsho se se dirilweng ke AI sa kafa Eoalulavis 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.

o botsitse

Dipotso tse di botswang thata ka ga Eoalulavis

?What did Eoalulavis eat?

It ate small crustaceans. Scientists found pieces of crustacean shells in its fossilized belly, its last meal.1

?How big was Eoalulavis?

It was tiny, about the size of a European goldfinch. It weighed about 45 grams and had a wingspan of about 26 centimeters.1

?Could Eoalulavis fly well?

Yes, it was a good flier. It had an alula for slow, sharp turns and likely used bounding flight, flapping hard then diving with wings folded, like modern songbirds.1

?Is Eoalulavis a dinosaur?

Yes, it is a bird, and birds are a type of dinosaur called avialan dinosaurs. It lived about 125 million years ago.1

Ya baitseanape ba didino

Leina la saense: Eoalulavis
Leina le neilwe ke: Sanz et al. 19962
Setlhopha: Dinonyane tsa ntlha
Lelapa / clade: Enantiornithes2
Thulaganyo: Theropoda > Avialae2
Bogolo jwa matlapa: 126 go ya go 121 dimilione tsa dingwaga (Barremian)2
Dibopego tsa matlapa: La Huérguina2
Dinaga: Sepania2
Direkoto tsa difosili: 1 mo The Paleobiology Database2
Go fitlhelwa: Eoalulavis was named in 1996 by Sanz and colleagues based on a single fossil skeleton found at Las Hoyas in Spain.1 2
Go sa ntse go ganetsanwa: Scientists are not sure what its hind legs looked like because no leg bones have been found.1

Kwa dintlha di tswang teng

Eoalulavis (en.wikipedia.org)
Eoalulavis in The Paleobiology Database (CC BY 4.0): dingwaga, mafelo, dibopego tsa matlapa, thulaganyo.

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