We now call them non avian dinosaurs and avian dinosaurs.

We're not going to be able to make a dinosaur based on a dinosaur.

You'd have a big dinosaur and a littler dinosaur.

Now if you want dinosaur DNA, I say go to the dinosaur.

Here's the animal that was causing it trouble.

The bone histology tells us that Edmontosaurus is a juvenile, or at least a sub adult, and the other one is an adult and we have an ontogeny.

Fourth graders love their dinosaurs, they memorize them.

So there's these two dinosaurs, T. Rex and Nanotyrannus.

Konqi

Who's the dinosaur?

Although the king of them all, Tyrannosaurus rex, lived millions of years after Borealopelta, the armoured dinosaur may have been hunted by some of its formidable ancestors.

You can call it a dinosaur, but look at the velociraptor the velociraptor is cool.

It's a giant duck bill dinosaur.

And I have been fortunate enough to find things like the first eggs in the Western hemisphere and the first baby dinosaurs in nests, the first dinosaur embryos and massive accumulations of bones.

The chicken is a dinosaur.

I loved dinosaurs.

There was a dinosaur...

I'm a dinosaur.

I'm going to talk about a different aspect of dinosaurs, which is the finding of them.

Birds are living dinosaurs.

So, I do a lot of work on dinosaurs.

Someone is re engineering dinosaurs by extracting their DNA from prehistoric amber.

Where are all the little ones?

Erm... the man and the wheel and the dinosaur.

And what happens next is the age of dinosaurs.

Now I assume that we remember dinosaurs.

And then there's this thing called Dracorex, Hogwart's Eye.

228 million years old, we found what really is the most primitive dinosaur that's the Ur dinosaur.

Jack Horner Building a dinosaur from a chicken

That's getting closer.

That's a juvenile.

Jack Horner Shape shifting dinosaurs

Oh, hell, they're both dogs.

And sure enough, Nanotyrannus has juvenile bone and the bigger one has more mature bone.

'Strong predation on a massive, heavily armored dinosaur illustrates just how dangerous the dinosaur predators of the Cretaceous must have been,' said Brown.

So if you ever fantasize about going back in time and seeing what a dinosaur looked like, that's what a dinosaur looks like.

So I picked a Camarasaurus, because the Camarasaurus was the most abundant of the sauropods in North America.

Dinosaur used camouflage to evade its enemies

But birds are dinosaurs.

The dinosaurs had a really bad day.

I'm going to talk about dinosaurs.

They're all gone.

They went out and gathered them up.

'It will go down in science history as one of the most beautiful and best preserved dinosaur specimens the Mona Lisa of dinosaurs.'

And then Stygimoloch, another dinosaur from the same age, lived at the same time, has spikes sticking out the back of its head.