Crayfish Chimney

I was out hiking with Hyperion between a cattail marsh and a little stream when he spied something before I did, as usual.

"Hey, it's a crawfish chimney," he said.  I was excited to see it.  It was only the second time I've ever seen them.

The crayfish, or crawfish as they are sometimes called, excavate these chimneys and dwell below. 

Here is a link to another post I wrote about such crustacean constructions, describing how the builder's work:

 http://foundonthetrail.blogspot.com/2012/06/crawfish-chimney.html