Pack Rat
Neotoma floridana
Also known as: Eastern Woodrat, Woodrat, Trade Rat
The Pack Rat, or Eastern Woodrat, is known for its habit of collecting objects and building elaborate stick nests called middens. These nests can become massive structures that persist for generations and often incorporate debris, cactus pads, and stolen human objects. Pack rats cause significant damage when they invade attics, engine compartments, and outbuildings.
Identification
Size
150-230 mm body length, plus 130-190 mm tail; 200-400 g
Color
Brownish-gray on top with a white or cream underside and white feet
Key Trait
Distinctly bicolored with white underside and feet, large ears, large dark eyes, and a furry tail. Builds conspicuous stick nests (middens) that can be over a meter in diameter.
Behavior & Habitat
Solitary and nocturnal. Collects and hoards a wide variety of objects, often 'trading' one item for another (hence the name 'trade rat'). Builds large stick nests decorated with found objects. Attracted to shiny items, wiring, and small objects. May cache food and debris in vehicle engine compartments.
Habitat: Rocky outcrops, cliff faces, dense brush, attics, sheds, and outbuildings. Western species favor desert environments with cacti. Eastern species prefer forests and rocky areas.
Diet: Seeds, nuts, fruits, berries, leaves, bark, cactus pads, and fungi. Caches food extensively in and near the stick nest.
Signs of Infestation
- Large stick nests found in attics, outbuildings, or under porches and decks
- Collected objects and debris piled in sheltered locations
- Gnaw damage and nesting material in vehicle engine compartments
Risks & Damage
Gnaws wiring, insulation, and building materials in attics and walls. Vehicle engine compartment infestations cause expensive damage.
Frequently gnaws vehicle wiring harnesses and household electrical wiring, causing malfunctions and fire risk.
Nests harbor kissing bugs (Triatominae) that transmit Chagas disease in the southwestern U.S.
Prevention Tips
- 1.Seal all gaps and openings in outbuildings, attics, and crawl spaces
- 2.Park vehicles in sealed garages or use rodent deterrent devices in engine compartments
- 3.Remove brush piles and debris that provide nest-building materials near structures
Why DIY Treatment Often Falls Short
Pack rats are solitary and trap-shy, making them difficult to catch. Their nests are often in hard-to-access locations, and removing a nest without sealing entry points guarantees rapid reoccupation by another pack rat from the surrounding population.
Professional Treatment
Professionals locate and remove existing stick nests, seal entry points with rodent-proof materials, and deploy traps targeting remaining individuals. For vehicle protection, under-hood deterrent systems and repellent treatments are recommended. Habitat modification reduces attraction to structures.
Related Pests
Frequently Asked Questions
Why do pack rats collect things?
Can pack rats damage my vehicle?
What are the health risks of pack rat nests?
Need Help With Pack rat?
If you're seeing signs of pack rat in or around your home, professional treatment is the fastest way to stop the problem. Lotus Pest Control offers free inspections to identify the issue and recommend the right solution.
At a Glance
- Category
- Rodents
- Scientific Name
- Neotoma floridana
- Size
- 150-230 mm body length, plus 130-190 mm tail; 200-400 g
- Color
- Brownish-gray on top with a white or cream underside and white feet
- Key Trait
- Distinctly bicolored with white underside and feet, large ears, large dark eyes, and a furry tail. Builds conspicuous stick nests (middens) that can be over a meter in diameter.
- Regions
- Southwest, Mountain West, Southeast, Great Plains, West Coast
- Threat Level
- Moderate
- Risk Types
- structuralelectricalhealth
- Seasonal Activity
- MarAprMayJunJulAugSepOctNovDecJanFebnonelowmoderatehighpeak