Internet Center for Wildlife Damage Management
Research-based Wildlife Control Technology and Management Information
from Experts Who Care
Home
Education
Publications
Professional
Agencies
Solutions
Animal Threats
ICWDM Services
FAQ
Store
Contact
Terms of Use
Damage Identification
Indoors
Chimney
Black/Brown Scat
White Scat
Hole Size
Outdoors
Gardens/Grass
Ground Holes
Trees/Shrubs/Bushes
Bark Stripping
Deck/Shed/Porch
Crop Damage
Livestock
Vehicles
Unsure/Bad Smell
Using Hole Sizes to ID the Animal Entering a Structure
Hole sizes only tell us only what animals could NOT enter the building. For instance a raccoon sized hole can be used by a smaller animal such as a squirrel.
Size of a pencil (3/8") think:
Size of a quarter (1”) think:
Size of a baseball (1½”-3”) think:
Size of a grapefruit (4"+) think:
Mouse, Bats
Rat, Chipmunk, Flying Squirrel
Tree Squirrel
Raccoon