Velociraptor mongoliensis

Overview

Velociraptor mongoliensis is a small carnivorous dinosaur with a long tail and feathers. The real animal is described as much smaller than its enormous film portrayals. Traces on its arm bone reveal body features linking dinosaurs and birds.^[2][1]

Key facts

Even when feathers themselves are lost, traces can remain on bone. Small bumps associated with attachment sites for large feathers are known on the arm bone of Velociraptor. Tiny changes on a bone surface led to the story of its feather covering.^[1]

Time and place

It lived in the region of present-day Mongolia in the Late Cretaceous, around 75 million years ago. Its world was much later than that of feathered dinosaurs such as Microraptor. Comparing related animals from different times reveals the long history of feathers.^[2][1]

The time range describes source context, not the complete duration of this species.

Size, form and skeleton

Museums give a body length of approximately 1.8 m, including the tail, for the genus Velociraptor. It supported its body on two legs, with a long tail extending behind. Arm-bone traces of wing-feather attachments invite us to picture skeleton and feathers together.^[2][1]

Habitat and reproduction

It was a carnivorous dinosaur that moved on two legs. Looking at its feather covering and long tail together reveals similarities to and differences from birds. Picture the life of a small theropod finding food and moving through its surroundings.^[2][1]

Fossil discovery

A 2007 study reported wing-feather attachment traces on the arm bone of Velociraptor mongoliensis. Researchers interpreted their significance by comparing them with feather attachment sites in birds. Reexamining small bone surfaces can reveal new stories even in a well-known dinosaur.^[1]

References

1. Turner et al.2007 — Feather attachment traces in Velociraptor
2. Velociraptor mongoliensis — NHM genus guide
3. Turner et al.2007 — Feather attachment traces in Velociraptor
4. Xu et al.2003 — Four-winged dinosaurs from China
5. AMNH — Two dinosaurs locked together as fossils

Research questions

If it had large birdlike feathers, how did it use them? The presence of feathers and the ability to fly are studied by comparing different body features. Considering it alongside fellow dromaeosaur Microraptor reveals diversity in feather arrangement and body size.^[1][2]

Observation

Move your gaze from the long tail to the arms and feathers. Picture how traces on a small arm bone connect with feathers outside the body.^[1][2]