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Hagryphus

Say it: ha-GRY-fus

Name means: “Ha's griffin, after the Egyptian god of the western desert and the griffin, a mythical bird-like creature”1

Ate: A bit of everythingOdd feathered dinosLate Cretaceous

Hagryphus was a big, feathered dinosaur that lived in what is now Utah, USA, about 76 million years ago. It was one of the largest oviraptorosaurs in North America, and it probably used its toothless beak to eat plants and small animals.1 2

Lived

84 to 72 million years ago2

Late Cretaceous

Fossils found in

Southern Utah, USA, in the Kaiparowits Formation1 2

Food

A bit of everything1 2

Length

2.4 to 3 m1

Estimated length; later estimates suggest about 2.4 meters

Weight

50 kg1

When did it live?

Triassic

Jurassic

Cretaceous

252 million years ago20114566, the asteroid

How big was it?

How long was it?

How heavy was it?

as heavy as 12 house cats

as long as 3 dogs nose to tailas long as 17 bananas end to endas heavy as 10 watermelons

How big was Hagryphus compared to YOU?

Just maths in your browser. Nothing is saved or sent anywhere.

cool stuff

Fun facts

Hagryphus was about 30 to 40 percent larger than the next largest North American oviraptorosaur, Chirostenotes.1

The only known fossil includes a nearly complete left hand, which was about a foot long, and some foot bones.1

Hagryphus lived near the shore of a huge inland sea called the Western Interior Seaway, in a wet, humid environment with swamps and lakes.1

It was probably covered in feathers, like other oviraptorosaurs, and some scientists think it might have been a true bird.1

The hand of Hagryphus had a very robust first finger, with a claw that was especially thick and strong.1

AI-made picture of Hagryphus — An AI-made picture of how Hagryphus might have looked, made by a computer from what scientists know. It is a guess: the real animal may have looked different, and nobody knows its true colours.

you asked

Most asked questions about Hagryphus

?How big was Hagryphus?

About 2.4 to 3 metres long and weighed around 50 kilograms.1

?Did Hagryphus have feathers?

Yes, evidence suggests it was feathered, like other oviraptorosaurs.1

?What did Hagryphus eat?

It had a toothless beak and probably ate plants or small animals, not just eggs.1

?When did Hagryphus live?

It lived about 76 million years ago, during the Late Cretaceous period.1

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Myth buster

Myth: Some people think Hagryphus ate only eggs because it had no teeth.

Truth: Scientists now think it likely ate plants and small vertebrates, not just eggs.1

For dino experts

Scientific name: Hagryphus
Named by: Zanno and Sampson 20052
Group: Odd feathered dinos
Family / clade: Caenagnathidae2
Classification: Theropoda > Oviraptorosauria2
Age of the rocks: 84 to 72 million years (Campanian)2
Rock formations: Kaiparowits2
Countries: USA2
Fossil records: 1 in the Paleobiology Database2
Discovery: The fossil was found in 2002 by Michael Getty in southern Utah, and it was named Hagryphus giganteus by Lindsay Zanno and Scott Sampson in 2005.1
Still debated: Scientists still debate whether Hagryphus was a member of the Caenagnathidae family or a more general oviraptorosaur, and whether it was a bird.1

Where the facts come from

Hagryphus (en.wikipedia.org)
Hagryphus in The Paleobiology Database (CC BY 4.0): age, places, rock formations, classification.

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