Noticed this tower of mud balls in the middle of my lawn this morning. It’s about 4 inches high with a hole in the center. What made this?

Central Hole
Beneath the central hole of the mud tower lies an intricate network of tunnels and chambers that serve as the crayfish’s home. These burrows can extend several feet into the ground, providing the crayfish with a safe and humid environment to live in. The crayfish use these tunnels to escape predators, find food, and reproduce.

 

The burrow’s design allows for efficient air circulation, facilitated by the mud chimney. This ventilation is crucial for maintaining the right balance of humidity and temperature within the burrow, ensuring the crayfish’s