beast was a predator. But palaeontologists have not been able to rule out that T-rex was an opportunistic scavenger, and scientists say the latest research still cannot disprove that theory.
The numbers of predators and prey for certain ecosystems such as the Canadian Lynx (wild cat) and hare have been recorded over many years and found to change in a regular cycle. A similar example ...
They say hunting at lower speed favours prey, as it offers them the best chance of out-manoeuvring the predator. "In the final stages of a hunt, it isn't about high speed," said Alan Wilson of the ...
dagger-like teeth are evidence that Allosaurus was a formidable predator. Although it was much smaller than sauropods like Apatosaurus (Brontosaurus), which were also common at the time, quite ...