Black Rat (Rattus rattus)

Appearance

  • The brown rat is up to 40 cm in length, with a tail shorter than the head and body.
  • It grows up to between 350–500g in weight.
  • It has a blunt nose, small ears and a thicker body when compared to the Black Rat (Rattus rattus).


Lifecycle

  • Rats have 7–8 young per litter, and between 3–6 litters a year.
  • The gestation period is about 3 weeks.
  • It only takes 10–12 weeks from birth to reach sexual maturity.


Habits

  • Preferred food is cereals, although they are omnivorous.
  • They will eat around 30g of food a day and drink 60ml.

Appearance

  • The black rat is between 16–24cm in length, with a tail longer than the head and body.
  • It grows to between 150–200g in weight.
  • They have a pointed nose, large ears and a slender body.


Lifecycle

  • Black rats produce 5–10 young per litter, and have between 3–6 litters a year.
  • The gestation period is about 3 weeks.
  • It only takes between 12–16 weeks from birth for them to reach sexual maturity.


Habits

  • They are incredibly agile and very good climbers.
  • Their preferred food is moist fruits. Black Rats will eat around 15g of food a day and drink 15ml.

brown Rat (Rattus norvegicus)

Rat control is important to avoid a number of serious diseases, which rats are known to transmit. The Centre for Disease Control lists nearly a dozen diseases directly linked to rats.

Rats can be very persistent and if they manage to gain access into your home or business they can spread these diseases, cause considerable damage and contaminate food.


  • Rats can damage your home’s insulation.
  • They can chew through floor joists and walls.
  • They can cause fires by chewing on electrical cables.
  • Rats can undermine hill sides, retaining walls and other similar structures through their burrowing activity.


Even rats in the yard and outside can also present tremendous risk, particularly since those areas are visited by children and pets.  Black rats can be found in coastal towns and in many urban environments across Australia.

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