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Janavis

Il num vul dir: “Janus bird, after the Roman god of beginnings and endings”1

Mangiava: CharnUtschels primitivsCretacic tardiv

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

Viveva

avant 72 fin 66 milliuns onns3

Cretacic tardiv

Fossils chattads en

Eben Emael, Belgium1

Ladezza da las alas

1,5 m (4,9 ft)1

Paisa

1,12 kg fin 1,604 kg (2 fin 4 lb)1

Spertadad maximala

var 42 km/h (26 mph)

Sgular, stima

Cura viveva el?

Triassic

Giurassic

Cretacic

avant 252 milliuns onns20114566, l'asteroid

Quant grond era el?

Quant ladas eran sias alas?

Quant grev era el?

uschè grev sco 13 bananas

uschè lung sco 3 giats da chasa dal nas a la cuapli lev ch'in giat da chasauschè grev sco 13 bananaspudess sgular sur in entir plaz da ballape en 9 secundas

Quant grond era Janavis cumpareglià cun TAI?

Mo matematica en tes navigatur. Nagut na vegn arcunà u tramess.

Quant spert era el?

Ina persuna che va a pe var 5 km/h (3 mph)

In uffant sin il velo var 12 km/h (7 mph)

Janavis var 42 km/h (26 mph)

In chaval che galoppescha var 65 km/h (40 mph)

In gepard var 100 km/h (62 mph)

chaussas cool

Fatgs divertents

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

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

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

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

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

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

Maletg da Janavis fatg cun IA — In maletg fatg cun IA che mussa co Janavis pudess avair guardà ora, fatg d'in computer tenor quai che la scienza sa. I sa tracta d'ina supposiziun: l'animal vair ha forsa guardà ora auter, e sias colurs vairas èn nunenconuschentas.

tias dumondas

Las dumondas las pli frequentas davart 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).1 2

?Did Janavis have teeth?

Yes, Janavis had teeth. It was one of the last toothed birds to ever live.1 2

?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

Chatschader da mitus

Mitus: All ancient birds had rigid skulls like dinosaurs.

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

Per experts da dinos

Num scientific: Janavis
Numnà da: Benito et al. 20223
Gruppa: Utschels primitivs
Famiglia / clada: Ichthyornithes3
Classificaziun: Theropoda > Avialae3
Vegliadetgna da la crappa: 72 fin 66 milliuns onns (Maastrichtian)3
Formaziuns da crap: Maastricht3
Pajais: Belgia3
Chats da fossils: 1 en The Paleobiology Database3
Scuverta: 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
Anc discutà: 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

Danunder che vegnan ils fatgs

Janavis (en.wikipedia.org)
Bird beak evolved before dinosaur extinction | University of Cambridge (cam.ac.uk)
Janavis in The Paleobiology Database (CC BY 4.0): vegliadetgna, lieus, formaziuns da crap, classificaziun.

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