Internet Center for Wildlife Damage Management
Research-based Wildlife Control Technology and Management Information from Experts Who Care
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Collapse Damage IdentificationDamage Identification
Collapse IndoorsIndoors
Chimney
Black/Brown Scat
White Scat
Hole Size
Collapse OutdoorsOutdoors
Gardens/Grass
Ground Holes
Collapse Trees/Shrubs/BushesTrees/Shrubs/Bushes
Bark Stripping
Deck/Shed/Porch
Crop Damage
Livestock
Vehicles
Unsure/Bad Smell

Identifying an Animal Living Under your Deck, Shed,  Porch or Crawl Space

Techniques and principles for determining what animal is living under your deck and shed.

Look for a hole, or tear in covering leading under your structure. The size of this entrance is the best indicator as to what animal you have.

How Large is the Hole?

>3 inches:

 woodchuck hole

2-3 inches:

 rat hole

1-2 inches:

 chipmunk hole

<1 inches:

 mouse hole
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