The House Mouse (Mus musculus)

The common mouse is believed to have originated in Central Asia.  It is now found throughout the world, requires little food and reproduces rapidly. A single mating pair can produce over 1,000 mice in 1 year (including the offspring produced from its children).

Mouse Description & Facts 

  • Small & slender
  • Weight:  0.4 to 1 oz.
  • Large eyes
  • Poor eyesight
  • Pointed snout
  • Ears moderately large
  • Average total length:  3 to 4 inches (head to tail)
  • Excellent jumper, climber, and swimmer
  • Excellent sense of smell, taste, touch, and hearing
  • Typical color:  Nearly black, light brown, light gray
  • Fecal dropping size:  ¼ inch with pointed ends (40 to 100 per day)


Mouse Habits, Life Cycle & Facts

The house mouse lives in colonies and will nest in hard to reach places in your home.

Mice are VERY curious and constantly explores and learns about its environment and adjusts quickly to changes in it.  They can move around very quickly in their well-known environment by what is called kinesthesis, meaning muscle memory.


Mouse using kinesthesis

Even when frightened, kinesthesis allows them to race back to their home base or the cover of darkness at high speeds, even around objects with an automatic sense of what is there.

Mice prefer to travel along walls and between objects in order to protect itself from predators.  With a running start, it can long jump about 2 feet, and from a standing position, it can jump vertically about 12 inches.  It can jump or fall from heights of 8 feet without injury.

A mouse can gain entry into a building through a hole the size of a dime or a gap the size of a ¼ inch.  It is mostly nocturnal with peak activity shortly after dark and again prior to sunrise.



Mice feed on cereals, seeds, grains, insects, snails, fruits, and pet food. However, they are opportunistic omnivores, which means they consume nearly all types of foods.  They consume about 1 to 2 grams of food daily and need very little water, oftentimes receiving their water requirement through food consumption.

Mice have a big appetite, as they can eat between 15 to 20 times a day. Because of their feeding habits, they will often nest near a food source.  Depending on conditions, they can live for several months and up to 2 years.



Females reach sexual maturity at 2 to 3 months of age and after mating can give birth in 18 to 21 days.  They breed rapidly, with the average litter size being 5 to 6 pups, but could be as much as 12.  The average number of litters is 6 to 10 litters in a year, adding up to a minimum of 30 to 60 pups in a year; but that number can be much higher from a single female.

If you add to that the number of litters that her offspring can produce, the number of mice produced in a single year can be astronomical.

Mouse Pest Control

Fighting off a mouse infestation takes a professional in most cases. Due to the rapid increase in a mouse population with up to 1,000 mice originating from a single mating pair in 1 year, a mouse problem needs to be taken seriously. Mice carry diseases and pose a real threat to the health of people and their pets. Mice can enter a home through very small areas (the size of a dime) and can multiply faster than almost any other mammal.

Look for small mouse droppings in garages, attics, basements, behind and under rubbish piles and appliances or anywhere in the kitchen. If found you might try a store-bought mouse poison, but the chances are very good that a professional will need to be called in solve and prevent a re-infestation.rodent-pest-controlFor free information on mouse pest control, call us at (916) 683-2929. If you would like us to care for it, no worries we have you covered!  We Specialize in Rodent Control.