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Checking for roof rat activity 

The following signs indicate roof rat activity:

  • Partially eaten fruit and vegetables.
  • Snail shells under bushes, on fences, or near nesting sites. 
  • Signs of gnawing on plastic, wood, or rubber materials.
  • Rub marks caused by rats' oily fur coming in repeated contact with surfaces or objects.
  • Rat droppings are usually signs of significant rat activity. The droppings are randomly scattered on a runway, feeding location, or shelter. Droppings are dark in color, spindle shaped and about 1/2 inch long.

Check for these problem areas: 

May contain: toy, campus, and building