Where are the holes located?
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:
||Rat, Chipmunk, Flying Squirrel
||Tree Squirrel, skunk