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Janavis

Nkombo elingi koloba: “Janus bird, after the Roman god of beginnings and endings”1
Alyaki: MosuniBandeke ya libosoKretase ya nsuka

Janavis was a toothed bird that lived right at the end of the Age of Dinosaurs. It was one of the last birds with teeth, and its skull could move like a modern bird's skull.1

Azalaki na bomoi
mbula milio 72 kino 66 eleki3
Kretase ya nsuka
Bafosile emonanaki na
Eben Emael, Belgium1
Bonene ya mapapu
1,5 m (4,9 ft)1
Bozito
1,12 kg kino 1,604 kg (2 kino 4 lb)1
Mbangu ya likolo
pene na 42 km/h (26 mph)
Kopumbwa, kokanisa

Azalaki na bomoi ntango nini?

Triasiki
Jurasiki
Kretase
Mbula milio 252 eleki20114566, asteroide

Azalaki monene boni?

Mapapu na ye ezalaki monene boni?

Janavis mapapu pene na 1,5 m nsuka kino nsuka (4,9 ft)Pusu ya ndako pene na 0,5 m (1,6 ft)Mbwa pene na 1 m (3,3 ft)Velo ya moto mokolo pene na 1,8 m (5,9 ft)

Azalaki kilo boni?

kilo lokola matoko 13
molai lokola bapusu 3 ya ndako zolo kino mokilapepele koleka pusu ya ndakokilo lokola matoko 13akokaki kopumbwa kokatisa esika mobimba ya ndembo na sekonde 9

Janavis azalaki monene boni soki tokokanisi na YO?

Kaka matematiki na navigatere na yo. Eloko moko te ebombami to etindami esika moko.

Azalaki na mbangu boni?

makambo ya kitoko

Makambo ya kosepelisa

1

Janavis lived about 66.8 million years ago, just 800,000 years before the asteroid that killed the dinosaurs.1

2

Its wing bones were hollow and filled with air, like modern birds, making it lighter for flying.1

3

The fossil was found in a Belgian quarry in 2000 by an amateur fossil hunter named Rudi Dortangs.1

4

Janavis had a skull that could move its upper jaw up and down, a feature of modern birds called neognathous palate.1

5

Scientists first thought a piece of its skull was a wing bone, until a CT scan in 2021 showed the truth.1

6

Janavis was bigger than its relative Ichthyornis, with a wingspan of about 1.5 metres (5 feet).1

Esalemi na AIElilingi ya Janavis esalemi na AI
Elilingi esalemi na AI oyo ezali kolakisa ndenge Janavis 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.
otunaki

Mituna oyo batunaka mingi na ntina na Janavis

?How big was Janavis?

Janavis was a relatively large bird, with an estimated wingspan of about 1.5 metres (5 feet) and a weight of around 1.5 kilograms (3.3 pounds).12

?Did Janavis have teeth?

Yes, Janavis had teeth. It was one of the last toothed birds to ever live.12

?When did Janavis live?

Janavis lived about 66.8 million years ago, right at the end of the Cretaceous period, just 800,000 years before the asteroid impact.1

?Could Janavis fly?

Yes, Janavis could fly. Its wing bones were hollow and filled with air, like modern birds, making it lighter for flying.1

Mobuki masapo

Lisapo: All ancient birds had rigid skulls like dinosaurs.

Solo: Janavis had a flexible skull like modern chickens and ducks, showing that movable skulls evolved early.1

Mpo na bayebi ya badino

Nkombo ya siansi
Janavis
Nkombo epesamaki na
Benito et al. 20223
Lisanga
Bandeke ya liboso
Libota / klade
Ichthyornithes3
Klasifikasio
Theropoda > Avialae3
Mbula ya mabanga
mbula milio 72 kino 66 (Maastrichtian)3
Milongo ya mabanga
Maastricht3
Bikolo
Belezi3
Bafosile oyo ekomami
1 na The Paleobiology Database3
Ntango bamonaki yango
The fossil was collected in 2000 by amateur palaeontologist Rudi Dortangs in Belgium. It was first reported in 2002, and in 2022 scientists named it Janavis finalidens after CT scans revealed its true identity.1
Naino bazali kowelana
Scientists debate whether Janavis could fly as well as modern birds, because its wing bones were very air-filled but its shoulder blade lacked a normal hook.1

Esika makambo euti

  1. Janavis (en.wikipedia.org)
  2. Bird beak evolved before dinosaur extinction | University of Cambridge (cam.ac.uk)
  3. Janavis in The Paleobiology Database (CC BY 4.0): mbula, bisika, milongo ya mabanga, klasifikasio.

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