The evidence is there – right in the middle of the garden.
The creatures worked again. Did they dig in the dark? Or bright daylight?
My imagination sees one now. The head swivels on the thick neck and small bright eyes check for humans. Front paws test the surface. Too hard! Dash across sun warmed patio blocks and hop onto a ledge. What have we here?
A few body lengths later he checks again for enemies, tests the dirt with sharp claws, gathers momentum, and lets the dirt fly. Dig, dig, dig and the head, shoulders, body, and even the cute little chipmunk tail disappears into the new hole where a thoughtful human stirred the dirt for easy digging.