It was not a very usual thing with them, and they hastened to act upon it lest it should get away.

They proceeded to block up their entrance tunnel about three feet from the door.

They packed the earth hard, and made a good job of it, and flattered themselves that their guests would not get in in a hurry, even if they were pretty good burrowers themselves.

Then at the extreme opposite corner of their central chamber they tunneled a new passageway, which brought them out quite on the other side of the hillock.

This done, they felt very pleased with themselves, and settled down for a well-earned sleep, curled up in a furry ball together.
"At daybreak the owls came home.