and then there were Four…

The ant farm experiment is slowly winding down.

Here’s how things are looking for the four who remain:

The Final Four

As you can see, many of the tunnels have been blocked off.  Most of the right-third of the habitat is now inacessible and some tunnels on the top left have been capped off as well.  The algae has spread although there is much less visible condensation, so things do appear to be drying out.

Their work at closing off the tunnels is done at a leisurely pace and they continue to spend most of their time grooming.