According to the resident, the opossum had been coming around frequently - probably attracted by the bowl of cat food on the patio.
It seems as though the opossum decided to curl up and sleep the day inside the pouch-like bag.
Check out the video, below.
The opossum is the only marsupial found in the United States. These primitive creatures have a tendency to wander, using den sites for a few days to several weeks, depending on the abundancy of food nearby.
Being transients, an adult opossums can cover hundreds of miles during its short lifetime of about 2 to 3 years.
For more on this incredible animal, check out The Opossum: It's Amazing Story, HERE.