Dr. Dean Lomax

So this one now.

Next one.

So that I would say is Pachycephalosaurus.

Okay.

And you've heard of that one?

Yeah.

What does that one look like?

So that's one of the most famous ones where you've got this really big kind of cranium.

You've got this big, the most famous kind of way of explaining that is like, these are the ones like the head banging, head banging.

yeah those sort of things you see them in like the Jurassic Park Lost World where you've got them butting heads and stuff so they're quite a famous North American dinosaur Pachycephalus oh cool but it's one of the interesting things they're primarily just known from what we call like the dome and it's like a massive I think it's up to like several inches of just thick bone and that was the idea that they were bashing heads or like banging into each other what's the benefit of that?

It's bizarre, isn't it?

And the kind of understanding of that is a bit like, if you imagine kind of like Rams, bighorn sheep butting heads, it's that sort of thing.

So it's like a dominance and it's kind of probably for like sexual display, courtship, like I'm a stronger kind of suit to this one and I'm going to beat this other one up and I'm going to show I'm stronger than that.

Yeah, alpha kind of thing.

And a female generally would probably go for the stronger one.

It's so weird, right?

And that's one of the things that has puzzled paleontologists for so long.

And there's been multiple different kind of theories that have come forward.

And...

One of the kind of leading theories, well, I'll give you two.