Identify Your Pest: Rodents
- Pilchuck Pest Control

- Jun 23
- 1 min read
Updated: Jul 12
Mice (House Mouse and Deer Mouse)

Identification: Small bodies (2–4 inches), large ears, long hairless tails. House mice are gray; deer mice have white bellies.
Behavior and Signs: Nocturnal; leave tiny, pointed droppings and chew marks on food packaging.
Risk Factor: Spread diseases like Hantavirus and Salmonella; chew electrical wires.
Review the resource link below for photos with additional facts
Resource: CDC Rodent Control Information
Rats (Norway Rat and Roof Rat)

Identification: Heavy bodies (7–10 inches), blunt or pointed muzzles, hairless tails shorter than their body length.
Behavior and Signs: Leave large, capsule-shaped droppings, dark grease smudge marks along walls, and deep burrows.
Risk Factor: Transmit Leptospirosis and Rat-bite fever; cause structural undermining.
Review the resource link below for photos with additional facts
Resource: EPA Rat Control Guidance
Squirrels (Tree and Ground Squirrels)

Identification: Bushy tails, fur ranging from gray to reddish-brown, active climbers with sharp claws.
Behavior and Signs: Loud scratching noises in attics during early morning; chewed fascia boards or torn insulation.
Risk Factor: Destroy attic insulation, chew through wooden support beams, and sever wiring.
Review the resource link below for photos with additional facts
Resource: Washington Department of Fish & Wildlife: Living with Squirrels



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