Photo Album: Bat droppings
See close up of bat droppings in attic and on insulation. These critters are easily identified by these kinds of clues.
Bat droppings close up in Marlboro, New Jersey
Most wildlife can be identified by it's droppings.
Bat droppings in attic insulation in Marlboro, NJ
Bat guano in attic insulation not only ruins the insulation, the guano is toxic and must be removed.