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Karete ya dinosaure No. 0408 ho tse 2 027

Chirostenotes

Lebitso le bolela: “narrow-handed”1

E jele: Hanyane ha tsohleDidinosaure tse makatsang tse nang le mafofaKretase ya Morao

Chirostenotes was a small, bird-like dinosaur that lived in North America during the Late Cretaceous. It had long, slender fingers and a beak without teeth, and scientists think it ate both plants and small animals.1 2

E phetse

dilemo tse dimilione tse 84 ho isa ho 66 tse fetileng4

Kretase ya Morao

Difosili di fumanwe ho

Canada (Alberta) and the United States (Montana, South Dakota, Texas)4 1

Bolelele

1.7 m (5.6 ft)1

Boima

100 kg (220 lb)3

Bophahamo

0.7 m (2.3 ft)

kakanyo

Lebelo le phahameng ka ho fetisisa

e ka bang 48 km/h (30 mph)

Ho matha, kakanyo

E phetse neng?

Triasiki

Jurasiki

Kretase

Dilemo tse dimilione tse 252 tse fetileng20114566, asteroiti

E ne e le kgolo hakae?

E ne e le telele hakae?

E ne e phahame hakae?

kakanyo

E ne e le boima hakae?

boima jwaloka dintja tse 5

telele jwaloka dikatse tsa lapeng tse 3 ho tloha nkong ho isa mohatlengtelele jwaloka dibanana tse 9 di behilwe ka molaboima jwaloka mahapu a 20boima jwaloka bana ba kereshe ba 5boima jwaloka bana ba sekolo ba 3e ne e ka matha dimitara tse 100 ka metsotswana e 7.5 (motho ya lebelo ka ho fetisisa o hloka 9,6)

Chirostenotes e ne e le kgolo hakae ha e bapiswa le WENA?

Ke dipalo feela ho browser ya hao. Ha ho letho le bolokwang kapa le romelwang kae kapa kae.

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)

Chirostenotes e ka bang 48 km/h (30 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

Chirostenotes belongs to a group called caenagnathids, which are oviraptorosaurs. These dinosaurs are known for their toothless beaks and often had crests on their heads.4 2

Its name means 'narrow-handed' because its hand bones were long and slender, with three fingers that ended in sharp claws.1

Chirostenotes lived between about 79 and 67 million years ago, during the Late Cretaceous period.1

Fossils of Chirostenotes have been found in the Dinosaur Park Formation in Alberta, Canada, and the Hell Creek Formation in Montana, USA.4

Scientists once thought Chirostenotes was a different dinosaur called Macrophalangia, which means 'big toes'. Now they know it's the same animal.4

A study of a well-preserved jaw showed that Chirostenotes had a strong, shearing bite, like some plant-eating animals today. This supports the idea that it ate tough plants.2

Setshwantsho sa Chirostenotes se entsweng ke AI — Setshwantsho se entsweng ke AI, se bontshang kamoo Chirostenotes 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.

o botsitse

Dipotso tse botswang haholo ka Chirostenotes

?How big was Chirostenotes?

About 2.5 metres (8.2 ft) long and weighed around 100 kg (220 lbs).3

?What did Chirostenotes eat?

It was an omnivore, eating both plants and small animals like grubs, amphibians, reptiles and mammals.3 2

?Did Chirostenotes have feathers?

Yes, it was a feathered theropod, and related oviraptorosaurs like Caudipteryx had large primary feathers on their hands.3

?When did Chirostenotes live?

It lived during the Late Cretaceous period, about 79 to 67 million years ago.1

?Where was Chirostenotes found?

Fossils have been found in Alberta, Canada, and Montana, USA.1 3

?Why is it called Chirostenotes?

Its name means 'narrow-handed' because its hand bones were long and slender.1

Mosenyi wa ditshomo

Tshomo: Some people think Chirostenotes was a meat-eater like many other theropods.

Nnete: Chirostenotes was actually an omnivore, eating both plants and small animals. Its toothless beak and jaw shape are better suited for slicing plants than for catching large prey.2

Bakeng sa ditsebi tsa didinosaure

Lebitso la saense: Chirostenotes
E rehilwe ke: Gilmore 19244
Sehlopha: Didinosaure tse makatsang tse nang le mafofa
Lelapa / leloko: Caenagnathidae4
Tlhophiso: Theropoda > Oviraptorosauria4
Dilemo tsa mafika: dilemo tse dimilione tse 84 ho isa ho 66 (Campanian / Maastrichtian)4
Dibopeho tsa mafika: Hell Creek, Dinosaur Park, Aguja4
Dinaha: Amerika, Kanada4
Direkoto tsa difosili: 28 ho The Paleobiology Database4
E boetse e tsejwa e le: Macrophalangia (mabitso a kgale jwale a balwa e le phoofolo e le nngwe)4
Ho sibollwa: Chirostenotes was named in 1924 by paleontologist Charles W. Gilmore, based on a pair of hands found in Alberta, Canada. Later, more complete fossils showed it was a caenagnathid.4 1
E sa ntse e phehwa kgang: Scientists are still debating exactly what Chirostenotes ate. Some think it was mostly a plant-eater, while others believe it ate a mix of plants and small animals.2

Moo dintlha di tswang teng

Chirostenotes | Natural History Museum (nhm.ac.uk)
A previously undescribed caenagnathid mandible from the late Campanian of Alberta, and insights into the diet of Chirostenotes pergracilis (Dinosauria: Oviraptorosauria) (cdnsciencepub.com)
Chirostenotes (en.wikipedia.org)
Chirostenotes in The Paleobiology Database (CC BY 4.0): dilemo, dibaka, dibopeho tsa mafika, tlhophiso.

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