There are nest maintenance workers working throughout the nest.

And the nest maintenance workers do that inside the nest, and then they come out of the nest carrying bits of dry soil in their mandibles.

Actually you take any object coated with fig juice, and the ants will carry it back to the nest.

It would desolate us to have her leave the nest.

and this will start out, first of all, showing you the nest entrance.

Or this nest. You fool!

Some simply fight their way into the nest.

There's the nest entrance, there's a pencil for scale.

At the finished nest, a pair gives displays similar to those of the group ceremonies and mates, often on top of the nest.

In most species the female alone constructs the nest.

And these four groups are just the ants outside the nest.

I always come back to the stinking coop no matter how late it is.

At least until Dr. Edwardes is firmly on the nest.

Then the nest maintenance workers work inside the nest, and I wanted to say that the nests look a lot like Bill Lishman's house.

Typically, the female chooses the nest site and builds the nest.

There's no knowin'.

So here's some blue nest maintenance workers.

So the idea is that ants are coming in and out of the nest entrance.

FRlAR I hear some noise. Lady, come from that nest

A bird's nest across and a pirouette back.

They enlarge the nest, forage for food, and care for the other eggs.

They integrate this information to find the shortest route back to their nest.

Does it matter to the foragers what the nest maintenance workers are doing?

But if instead I start to meet a higher number of nest maintenance workers,

This is taken through a fiber optics microscope. It's down inside the nest.

What do you suggest? That I join the scurvy group?

At this point, or perhaps after another year, the animal left the nest.

It is 18 cm long and 8 cm wide at the base.

They just sort of give you your computer and then kick you out of the nest.

So it has to know the difference between a forager and a nest maintenance worker.

You can also see this in the ants just outside the nest entrance like these.

But if more nest maintenance work is needed for example, if I put out a bunch of toothpicks then nobody will ever switch back to nest maintenance, they have to get nest maintenance workers from inside the nest.

So what's happening is that the ants work inside the nest when they're younger.

So for example, I created more work for the nest maintenance workers by putting out a pile of toothpicks near the nest entrance, early in the morning when the nest maintenance workers are first active.

Actually you take any object coated with fig juice and the ants will carry them back to the nest.

This is a five year old colony. This is the nest entrance, here's a pencil for scale.

So foraging acts as a sink, and the ants inside the nest act as a source.

And he doesn't like this first position, but he comes up with a second position, and about 50 minutes later, that nest is finished, and he heads off to forage and provision at a pile of dry dung pellets.

So I want now to show you a bit of film and this will start out, first of all, showing you the nest entrance.

Nests may be protected from physical threats such as flooding and overheating by elaborate nest architecture.

Adult males do not participate in nest maintenance, foraging, or caretaking of the larvae.

Here, you can see in 2006, they raised almost three quarters of a chick per nest, and you can see that they're closer to Punta Tombo they're not going as far away.

Black ants collect and store these and other seeds in their nest, where humans can gather them en masse .

If a hornet is killed near a nest it may release pheromone which can cause the other hornets to attack.

They go out, they get the food, they dig the nest, and the queen never comes out again.