See How A Crawfish Builds A Hole [VIDEO]
We may not give crawfish enough credit, they work hard. If you think about it, crawfish mounds are quite a task for a creature that small. It takes one crawfish hours and hours of work to make these annoying smokestacks of mud that get into fights with your lawnmower and help make your yard not so attractive.
So how do they do it? How do they move so much dirt, so high, without mini shovels?
The Making Of A Crawfish Hole