Carta da dino nr. 0906 da 2 027

Jian

Il num vul dir: “one-winged bird from Chinese mythology”1

Mangiava: CharnRaptorsCretacic tempriv

Jian was a small, feathered dinosaur that lived about 120 million years ago. It had long feathers on its arms and legs, like four wings, and probably glided through the air like a flying squirrel. Scientists think it hunted early birds, because its fossils were found in a place full of bird bones.2

Viveva

avant 121 fin 113 milliuns onns3

Cretacic tempriv

Fossils chattads en

Changma Basin, Gansu Province, northwestern China1

Ladezza da las alas

1,2 m (3,9 ft)2

Spertadad maximala

var 43 km/h (27 mph)

Currer, stima

Cura viveva el?

Triassic

Giurassic

Cretacic

avant 252 milliuns onns20114566, l'asteroid

Quant grond era el?

Quant ladas eran sias alas?

uschè lung sco 2,5 giats da chasa dal nas a la cuapudess currer 100 meters en 8,4 secundas (il pli spert uman dovra 9,6)

Quant grond era Jian 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)

Jian var 43 km/h (27 mph)

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

In gepard var 100 km/h (62 mph)

chaussas cool

Fatgs divertents

Jian is one of the biggest microraptor dinosaurs ever found. Its upper arm bone is about 10 centimetres (4 inches) long.2

Jian had a very long coracoid bone in its shoulder, longer compared to its arm than in any other microraptor.1

The only fossil of Jian found so far is an arm and shoulder. No other bones have been discovered yet.1

Jian lived alongside hundreds of early birds called Gansus yumenensis. Its fossils were found in the same rock layer as many bird skeletons.1

Scientists think Jian may have been the predator that left behind crushed bird bones at the site, similar to pellets coughed up by modern owls.2

Jian probably could not fly like a bird, but it could glide using its four feathered limbs, much like a flying squirrel.2

Maletg da Jian fatg cun IA — In maletg fatg cun IA che mussa co Jian 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.

Per experts da dinos

Num scientific: Jian
Numnà da: Zhou et al. 20263
Gruppa: Raptors
Famiglia / clada: Dromaeosauridae3
Classificaziun: Theropoda > Dromaeosauridae3
Vegliadetgna da la crappa: 121 fin 113 milliuns onns (Aptian)3
Formaziuns da crap: Xiagou3
Pajais: China3
Chats da fossils: 1 en The Paleobiology Database3
Scuverta: Jian was named in 2026 by a team of scientists including Zhou, Lamanna, Poust, Li, You, and O'Connor. The only fossil found is an arm and shoulder from the Xiagou Formation in China.3 1
Anc discutà: Scientists are not sure if Jian could truly fly or only glide, because only its arm and shoulder bones have been found.2

Danunder che vegnan ils fatgs

FIRST NON-AVIAN THEROPOD (DROMAEOSAURIDAE, MICRORAPTORINAE) FROM THE BIRD-BEARING LOWER CRETACEOUS XIAGOU FORMATION OF THE CHANGMA BASIN, GANSU PROVINCE, NORTHWESTERN CHINA (carnegiemnh.org)
New species of dinosaur, a cousin of Velociraptor, probably glided on four “wings” and hunted early birds - Field Museum (fieldmuseum.org)
Jian in The Paleobiology Database (CC BY 4.0): vegliadetgna, lieus, formaziuns da crap, classificaziun.

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