Pigeon's Progress struck me as a catchy title.

Birds have a homing instinct.

Birds always return to their nests.

Okay, so here are a few penguins coming in.

And he put it in the ark with the scrolls of the Torah.

Eagle nest

So he put the material in places where the birds were going to collect them, and they crafted his nests for him.

It is in the nature of birds to fly and build nests.

I have a lighter in my pocket if you need one.

Could go to Eagle's Nest.

This is something that's a little bit unusual.

Or being in a position like Lance Armstrong,

There are only a few species that can do it.

Sir, nest

A koel bird's nest, sir

And these ants are called harvester ants because they eat seeds.

I clean my ceiling fans with that and I get the spider webs off my house I do it that way.

Robbed again?

Oh, shit.

One Flew Over the Cuckoo's Next .

You look great.

What's a bird's nest?

Hey! There's a wasp nest over there.

I had to do something.

There's one more interesting aspect of this dung beetle's behavior that we found quite fascinating, and that's that it forages and provisions a nest.

Some people who have XX chromosomes develop what are called ovotestis, which is when you have ovarian tissue with testicular tissue wrapped around it.

Our house was robbed while we were away.

A spider weaves a web.

Birds build nests.

Watched her build a web all summer?

I guess I've... abandoned the nest.

It's just... it'sit's a web.

Yes, perm, I do my hair curly...

But I'm sure they're gonna lead the trend

The world is a den of crazies.

Birds make their nests in trees.

Birds build nests.

You can see the queen bee, the large bee in the middle.

(Laughter)

And that is where the research began.

And that's the process that I call task allocation.

Mohamed Uh, yeah, I'll ask you a question.

These cobwebs! Yuck!

The bird is in the nest, Mr. Rachin.

Now you know who lives in the palace?