About Rodents

Understanding Rodents: The Resourceful Intruders


Rodents, primarily rats and mice, are among the most common and challenging pests property owners face. Beyond causing structural damage by chewing through wires and drywall, they pose significant health risks by contaminating food and transmitting diseases. Recognizing how these pests operate is crucial for maintaining a safe and secure property.


Why and How Rodents Invade Properties

Rodents are highly adaptable mammals driven by basic survival instincts: the need for food, water, and warm shelter.

  1. The Quest for Survival: Buildings provide an ideal environment with a constant supply of food (pantries, pet food, trash) and protection from weather and predators.
  2. Incredible Flexibility: Their flexible bodies allow mice to squeeze through holes as small as a dime, while rats can fit through openings the size of a quarter.
  3. Sneak Entrances: They exploit foundation cracks, floor gaps, and openings around utility pipes. Rats can also climb to rooflines or swim up sewer lines to enter.


Conditions That Favour Rodent Infestations

Properties often unintentionally invite rodents by offering ideal habitats and easy resources:

  1. Available Food and Water: Unsecured garbage bins, left-out pet food, fallen garden fruit, and dripping outdoor faucets are major attractants.
  2. Abundant Clutter: Overcrowded storage rooms, dense vegetation against walls, and piles of lumber provide perfect hiding and nesting materials.
  3. Structural Vulnerabilities: Weathered structures with missing vent screens, warped doors, or unsealed exterior gaps give rodents an open invitation.


Highlights of the Rodent Lifecycle

Rodent populations can explode rapidly due to their extraordinary reproductive capabilities:

  1. Rapid Maturation: Rodents reach sexual maturity in just 4 to 8 weeks, allowing a new generation to begin breeding almost immediately.
  2. High-Frequency Breeding: A single female can produce 5 to 10 litters per year, averaging 6 to 12 pups per litter.
  3. Short Gestation: Pregnancy lasts only about 3 weeks, meaning a single pair can trigger a full-blown infestation within months.
  4. Short, Destructive Lifespan: Though living only 1 to 2 years in the wild, their constant need to gnaw causes relentless property damage throughout their lives.


Behavioral Traits and Survival Skills of Rodents

Rodents possess an impressive array of evolutionary traits and intelligence that make them highly successful at evading danger and thriving in human environments:

  1. Neophobia: Rats naturally fear new objects, causing them to avoid newly placed traps or bait stations for several days.
  2. Thigmotaxis: Having poor eyesight, rodents instinctively hug walls and edges using their whiskers to navigate safely.
  3. Relentless Gnawing: Their front teeth grow continuously, forcing them to constantly chew through wood, plastic, and wires to keep them worn down.
  4. Superb Athleticism: They are expert climbers; rats can also survive 50-foot drops, tread water for three days, and jump 3 feet vertically.
  5. Nocturnal Stealth: Active primarily at night, they use acute hearing and smell to avoid humans and remain undetected.
  6. Social Communication: They use ultrasonic sounds and pheromone urine trails to share food locations, navigate safely, and warn of danger.