Houornis

Lebitso le bolela: “Hou's bird, after the paleontologist Hou Lianhu”1

E jele: NamaDinonyana tsa peleKretase ya Pele

Houornis was a tiny, toothy bird that lived in China about 120 million years ago. It had perching feet and a surprisingly long tail made of fused bones. This little bird was an enantiornithean, a group of early birds that went extinct with the dinosaurs.1

E phetse

dilemo tse dimilione tse 121 ho isa ho 113 tse fetileng2

Kretase ya Pele

Difosili di fumanwe ho

Liaoning Province, China, near the town of Boluochi1 2

Lebelo le phahameng ka ho fetisisa

e ka bang 27 km/h (17 mph)

Ho fofa, kakanyo

E phetse neng?

Triasiki

Jurasiki

Kretase

Dilemo tse dimilione tse 252 tse fetileng20114566, asteroiti

E ne e le lebelo hakae?

Motho ya tsamayang ka maoto e ka bang 5 km/h (3 mph)

Ngwana a palame baesekele e ka bang 12 km/h (7 mph)

Houornis e ka bang 27 km/h (17 mph)

Pere e mathang ka matla e ka bang 65 km/h (40 mph)

Lengau e ka bang 100 km/h (62 mph)

dintho tse monate

Dintlha tse monate

Houornis is known from only one main fossil, which is not preserved as bones but as impressions left in the rock.1

Its tail was originally thought to be long and bony like Archaeopteryx, but scientists later realized it had a long pygostyle, a fused tail bone.1

The upper arm bone of Houornis is less than 30 millimeters (1.2 inches) long, making it a very small bird.1

Houornis was once classified as a species of Cathayornis, but in 2015 it was given its own genus because of unique features like its large pygostyle.1

Some scientists have considered Houornis a doubtful species because the fossil is poorly preserved, but a 2015 study found it was distinct enough to keep.1

Setshwantsho sa Houornis se entsweng ke AI — Setshwantsho se entsweng ke AI, se bontshang kamoo Houornis e ka beng e ne e shebahala kateng, se entswe ke khomphutha ho ya ka seo bo-ramahlale ba se tsebang. Ke ho hakanya feela: phoofolo ya nnete e ka nna ya ba e ne e shebahala ka tsela e nngwe, mme ha ho motho ya tsebang mebala ya yona ya nnete.

Mosenyi wa ditshomo

Tshomo: Houornis had a long, bony tail like a dinosaur.

Nnete: Houornis actually had a short tail with a long pygostyle (fused tail vertebrae), not a long bony tail. The original mistake came from misidentifying hip bones as tail vertebrae.1

Bakeng sa ditsebi tsa didinosaure

Lebitso la saense: Houornis
E rehilwe ke: Wang and Liu 20152
Sehlopha: Dinonyana tsa pele
Lelapa / leloko: Enantiornithes2
Tlhophiso: Theropoda > Avialae2
Dilemo tsa mafika: dilemo tse dimilione tse 121 ho isa ho 113 (Aptian)2
Dibopeho tsa mafika: Jiufotang2
Dinaha: Tjhaena2
Direkoto tsa difosili: 1 ho The Paleobiology Database2
Ho sibollwa: The only known fossil of Houornis was found in 1993 by Zhou Zhonghe near Boluochi, China. It was first named Cathayornis caudatus by Hou Lianhu in 1997, and then renamed Houornis by Wang and Liu in 2015.1
E sa ntse e phehwa kgang: Scientists are not sure exactly how Houornis is related to other enantiornithean birds, because its fossil is too incomplete for a detailed family tree analysis.1

Moo dintlha di tswang teng

Houornis (en.wikipedia.org)
Houornis in The Paleobiology Database (CC BY 4.0): dilemo, dibaka, dibopeho tsa mafika, tlhophiso.

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