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Zhengheornis

Il num vul dir: “Zhenghe bird, from Zhenghe County in China and the Greek word for bird”1

Mangiava: CharnUtschels primitivsGiurassic tardiv

Zhengheornis was a tiny bird-like dinosaur that lived about 150 million years ago in what is now China. It had a short tail made of 15 bones, but no pygostyle, which is the fused tailbone modern birds have. This little creature helps scientists understand how bird tails evolved step by step.2 1

Viveva

avant 152 fin 145 milliuns onns5

Giurassic tardiv

Fossils chattads en

Near Yangyuan Village, Zhenghe County, Fujian Province, China5 1

Paisa

0,074 kg fin 0,163 kg (0 fin 0 lb)2

Spertadad maximala

var 26 km/h (16 mph)

Sgular, stima

Cura viveva el?

Triassic

Giurassic

Cretacic

avant 252 milliuns onns20114566, l'asteroid

Quant grond era el?

Quant grev era el?

uschè grev sco 1,5 bananas

pli lev ch'in giat da chasapudess sgular sur in entir plaz da ballape en 15 secundas

Quant grond era Zhengheornis 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)

Zhengheornis var 26 km/h (16 mph)

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

In gepard var 100 km/h (62 mph)

chaussas cool

Fatgs divertents

Zhengheornis is one of the smallest known early bird relatives, weighing only about as much as a modern robin (74 to 163 grams).2

Its tail had 15 short vertebrae but no pygostyle, showing that tail shortening happened before the bones fused together in bird evolution.2

The name 'buyu' means 'unexpected' in Mandarin, because scientists were surprised by its unusual tail and pelvis.1

Zhengheornis lived alongside other early birds like Fujianvenator and Baminornis in the Zhenghe Fauna of Late Jurassic China.2

Scientists think Zhengheornis was not especially good at climbing trees or walking on the ground, unlike some of its relatives.2

The only known fossil was found in 2024 and includes bones, feather traces, and parts of the arms, legs, and pelvis.1

Maletg da Zhengheornis fatg cun IA — In maletg fatg cun IA che mussa co Zhengheornis 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 Zhengheornis

?How big was Zhengheornis?

Zhengheornis was incredibly tiny, weighing only about 74 to 163 grams, similar to a modern robin. It is one of the smallest known long-tailed early bird relatives.3 4

?When did Zhengheornis live?

Zhengheornis lived during the Early Cretaceous period, about 120 to 130 million years ago, in what is now China.1 3

?Why is Zhengheornis important?

Zhengheornis is important because its short tail of 15 unfused vertebrae shows that tail shortening happened before the bones fused into a pygostyle, filling a gap in bird evolution.3 4

?What did Zhengheornis eat?

Scientists do not know exactly what Zhengheornis ate. It was likely an ecological generalist, not specialized for living in trees or on the ground.3 4

Per experts da dinos

Num scientific: Zhengheornis
Numnà da: Wang et al. 20265
Gruppa: Utschels primitivs
Famiglia / clada: Avialae5
Classificaziun: Theropoda > Avialae5
Vegliadetgna da la crappa: 152 fin 145 milliuns onns (Kimmeridgian / Tithonian)5
Formaziuns da crap: Nanyuan5
Pajais: China5
Chats da fossils: 1 en The Paleobiology Database5
Scuverta: Zhengheornis was discovered in 2024 during fieldwork in Fujian Province, China, and named by Min Wang and colleagues in 2026.1
Anc discutà: Scientists are still debating exactly where Zhengheornis fits on the family tree of early birds, though most agree it is one of the earliest avialans.2

Danunder che vegnan ils fatgs

Zhengheornis (en.wikipedia.org)
Jurassic avialan reveals stepwise evolution of bony tail in birds (dinodata.de)
China Jurassic Pocket-Sized Bird Fills a Puzzle of the Evolution of Bird Tail_Headline_Institute of Vertebrate Paleontology and Paleoanthropology, Chinese Academy of Sciences (english.ivpp.cas.cn)
China Jurassic Pocket-Sized Bird Fills a Puzzle of the Evolution of Bird Tail_Research Progress_Institute of Vertebrate Paleontology and Paleoanthropology, Chinese Academy of Sciences (english.ivpp.cas.cn)
Zhengheornis in The Paleobiology Database (CC BY 4.0): vegliadetgna, lieus, formaziuns da crap, classificaziun.

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