Orienantius

Din no ase: “east opposite bird”1

Ɔdii: NamNnomaa a wɔdii kanKretasias Mfiase

Orienantius was a tiny bird that lived about 130 million years ago in what is now China. It had feathers and could fly, but it was not like modern birds, it belonged to an ancient group called enantiornithines, which had a different way of flying.2 1

Ɔtenaa ase

mfeɛ ɔpepem 133 kɔsi 126 a atwam3

Kretasias Mfiase

Wɔhunuu fɔsil wɔ

Hebei Province, China1 2

Ntɛmntɛm a ɛsen biara

bɛyɛ 27 km/h (17 mph)

Wimtuo, nsusuiɛ

Berɛ bɛn na ɛtenaa ase?

Triasik

Jurasik

Kretasias

mfeɛ ɔpepem 252 a atwam20114566, ɔsoro ɛboɔ no

Na ɛyɛ ntɛm sɛn?

Onipa a ɔnante bɛyɛ 5 km/h (3 mph)

Abofra a ɔte sakre so bɛyɛ 12 km/h (7 mph)

Orienantius bɛyɛ 27 km/h (17 mph)

Ɔpɔnkɔ a ɔretu mmirika bɛyɛ 65 km/h (40 mph)

Kyiita bɛyɛ 100 km/h (62 mph)

nneɛma a ɛyɛ fɛ

Nsɛm a ɛyɛ anigye

Orienantius is known from two nearly complete skeletons that still have feathers and even soft tissues like wing skin preserved.1 2

It was about the size of a modern Eurasian Skylark, a small songbird.1

Orienantius could fly with high maneuverability and used a flap-gliding style, like some birds today.2

The holotype (main specimen) was not fully grown when it died, some of its bones had not yet fused together.1

Its name comes from Latin and Greek words meaning 'east' and 'opposite', referring to its discovery in East Asia and its group Enantiornithes.1

Orienantius lived during the Early Cretaceous, making it one of the oldest known enantiornithine birds.2

Yei yɛ Orienantius mfonini a AI yɛeɛ, sɛdeɛ ebia na ɔteɛ. Kɔmputa na ɛyɛeɛ firi deɛ nyansahufoɔ nim mu. Ɛyɛ nsusuiɛ: ebia na aboa ankasa no nte saa, na obiara nnim ne kɔla ankasa.

Ma dino ho animdefoɔ

Nyansahu din: Orienantius
Obi a ɔtoo din: Liu et al. 20193
Kuo: Nnomaa a wɔdii kan
Abusua / kuo kɛseɛ: Enantiornithes3
Nkyekyɛmu: Theropoda > Avialae3
Abotan no mfeɛ: mfeɛ ɔpepem 133 kɔsi 126 (Hauterivian)3
Abotan nhyehyɛeɛ: Huajiying3
Aman: Kyaena3
Fɔsil nkyerɛwee: 1 wɔ The Paleobiology Database mu3
Nhunumu: Orienantius was named in 2019 by Di Liu and colleagues based on two fossils from the Huajiying Formation in Hebei, China. The species name ritteri honors German scientist Johann Wilhelm Ritter.1 2
Wɔda so gye ho akyinnye: Scientists are still debating exactly how Orienantius and other early enantiornithines evolved their flight abilities, since they show features of both primitive and advanced birds.2

Baabi a nsɛm no firi

Orienantius (en.wikipedia.org)
Soft tissue preservation in two new enantiornithine specimens (Aves) from the Lower Cretaceous Huajiying Formation of Hebei Province, China (sciencedirect.com)
Orienantius in The Paleobiology Database (CC BY 4.0): mfeɛ, mmeaeɛ, abotan nhyehyɛeɛ, nkyekyɛmu.

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