What animal is living in this hole?

[Bill in Buena Park]

Any grey squirrel sightings in the neighborhood? I've seen them RIDDLE the landscape with holes that look like that, implying extensive tunnel networks. The owner's solution was to bulldoze the area, which I believe worked. However, I wonder if gopher traps would work for squirrels?

[kirkroy]

Where are you in Maryland? I've never seen a chipmunk here. I've only lived here 39 years though (PG, Montgomery and Frederick counties). I see all too many squirrels though...

[Gray Guy]

Looks and sounds like chipmunk(s) to me. If you have a Hav A Heart trap or similiar, put a few seeds or peanuts in it, place it near the hole and you will have the creature within a day. You can then "relocate" the critter. I am up to 23 of the little eating machines this year, so far.

[Uncle Cracker]

I am up to 23 of the little eating machines this year, so far.

Looks like you need to start eating them back...

[atgcpaul]

Yep, definitely a chipmunk. I don't know where the starter hole is. I can't
imagine this critter chose to start his home 5 feet from my main entrance in
plain sight.

I think I'm going start with chemical warfare (garlic, chillies, soap and water).
This whole area is going to get dug up when I start my patio project so he's
going one way or another. The top 8" is being excavated and a vibrator shaker
will surely be incentive to find new "digs".

Pictures in another post in Home Improvement.

[Brad Boyes]

Have you guys never seen Caddy Shack?!?!? Don't mess with it!!!

[Stan]

.... I guess I'd rather have them than the
others. They don't seem to be as destructive.

I wouldn't go that far, a chipmunk in the engine compartment of a vehicle can cause you a major repair bill for wiring.