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