Velociraptor ate pterosaur


This video about dinosaurs is called Velociraptor vs Protoceratops.

From the BBC:

7 March 2012 Last updated at 09:51

Velociraptor‘s last meal revealed

By Ella Davies Reporter, BBC Nature

The bone of a large flying reptile has been found in the gut of a Velociraptor, sparking fresh discussion among palaeontologists.

Velociraptors have previously been described as “hyper predators”.

However, scientists suggest this pterosaur was too large to be the Velociraptor’s intended prey but could have been scavenged.

The findings are published in the journal Palaeogeography, Palaeoclimatology, and Palaeoecology.

An international team of scientists revealed the drama of 75 million years ago with a detailed analysis of the skeleton found in the Gobi desert, Mongolia.

“It would be difficult and probably even dangerous for the small theropod dinosaur to target a pterosaur with a wingspan of 2 metres or more, unless the pterosaur was already ill or injured,” said co-author of the study Dr David Hone, from the University College Dublin, Ireland.

“So the pterosaur bone we’ve identified in the gut of the Velociraptor was most likely scavenged from a carcass rather than the result of a predatory kill.”

Velociraptors were not much taller than domestic turkeys but were thought to be voracious predators.

A famous fossil unearthed in 1971 known as the “fighting dinosaurs” shows a Velociraptor and larger Protoceratops apparently locked in combat.

But evidence of feeding by theropod dinosaurs, such as Velociraptor or Tyrannosaurus rex, are scarce in the fossil record.

Final feast

The 75mm-long pterosaur bone shard was found within the rib cage where the Velociraptor’s gut would have been.

According to Dr Hone the contents of dinosaur’s stomachs often elude scientists as they are rarely preserved.

“Gut contents are pretty rare and pterosaur bones are rather fragile and don’t preserve well, so it is an unusual find.”

In addition to proving that velociraptors took advantage of ailing animals, Dr Hone suggests that the evidence provides a further revelation: that small dinosaurs ate relatively large bones.

By analysing the bones, researchers also found out that the Velociraptor died shortly after feeding on the pterosaur.

The smooth surface of the reptile bones suggest it was not eroded by stomach acids and the team discovered the Velociraptor itself suffered from a broken rib.

“Pretty much all carnivores are both predators and scavengers as the situation dictates – actually getting evidence for that from the fossil record is rather hard [to get] though,” said Dr Hone.

Velociraptor facts

Velociraptors were made famous in the film ‘Jurassic Park’ although in reality they measured 50cm tall and recent research found they were at least partially covered in feathers

Velociraptor means ‘swift seizer’ and may have been capable of reaching speeds of 24mph

They were effective predators with an enlarged sickle-shaped claw on each hindfoot and rows of sharp teeth

Velociraptors would have existed around 71 million years ago during the Upper Cretaceous period

Fossils from two species of velociraptor are known; one was discovered in Mongolia and the other in China

See also here.

The Late Jurassic Pterosaur Rhamphorhynchus, a Frequent Victim of the Ganoid Fish Aspidorhynchus? Here.

Jurassic fail: fish accidentally snags pterosaur, and both die: here.

Pterosaurs Were on the Menu For Ancient Fish and Dinosaurs: here.

30 thoughts on “Velociraptor ate pterosaur

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  4. Find of Fossilzed Dinosaur Fetus Announced

    Arequipa, Jul 1 (Prensa Latina) A fossil with characteristics of a fetus of velociraptor dinosaur was found in the southern Andean Pruvian region of Arequipa, Mayor of the province of Castilla Manuel Alpaca reported.
    The fossil is around 10 centimeters long and was found by chance by a municipal worker, who was doing earthwork at the foot of a hill in the district of Corire in the province of Castilla, in the region of Arequipa.

    Alpaca requested that the Culture Ministry sent a team of researchers to Corire to study the fossil and explore the area of the find, because there could be more fossilized remains of prehistoric animals.

    sgl/iom/ocs/mrs

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