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Why in the News?
Scientists have discovered over 4,300 dinosaur footprints in Hebei province of Zhangjiakou in northern China.Key Points:
About
Dinosaur Footprints
- The footprints were made between the Jurassic and Cretaceous ages, around 150 million years ago.
- The footprints show four different dinosaur species, one of which might be undiscovered.
- that the footprints belong to herbivores and carnivores dinosaurs; while the former could reach lengths of nearly 15 metres, the latter was four to five metres.
What do dinosaur footprints tell us?
- Dinosaur tracks denote the activity of an animal when it was alive
- “Trackway sites tell us about the types of dinosaurs that lived in the original ecosystems.
- Paleontologists also study dinosaur gait and speed from the footprint tracks.
- For instance, footprints close together indicate the animals were running, while spaced footprints mean they were walking.
