Small footprints, droppings, holes in walls, nests, gnawed boxes, grease marks, urine stains on packaging.
Eggs, skins, insects themselves, droppings.
Small pile of sand/soil, themselves, flying ants on hot days.
Insects in dry food, small maggots.
Feathers, droppings, nests, noise, birds themselves.
Bodies of insects, live insects, webbing, nests, buzzing, maggots.
