This is the biggest crocodile that ever lived in New Mexico. Its contemporaries living at the same time were about half its size.

There ought to be a complete skeleton of T. rex in New Mexico, we just haven’t found one. T. rex as a fossil is very rare.

It’s the archetypal killing machine for dinosaurs. It’s been known for a century and all of us – whether you’re 80, 40, 20 or 5 – you grew up with T. rex.

The idea has been suggested that he wasn’t a fast hunter, that he was a carrion feeder. I would describe that idea as ridiculous. All the evidence points to him as a powerful killer and...

What we can learn right off is we’ve got to stop thinking the biggest things in these ecosystems were dinosaurs. This thing was the same length and maybe the same weight as a tyrannosaur.