How Many Offspring For Roof Rats

Rattus rattus is black to slate colored on both back and belly.

How many offspring for roof rats.

In warm tropical regions roof rats breed year round and females can have up to three litters a year. Once inside the roof rat population can grow rapidly. Once they re sexually mature at the age of 3 or 4 months a male and female brown rat pair can have as many as 2 000 babies in the course of a year. Rats do not live long 2 to 3 years tops but during their short lives they can produce many family members.

Roof rats are good climbers and nest up high. To effectively deal with a roof rat infestation professional pest control services are crucial. A female can have a litter of five to eight babies. How do roof rats get inside a home.

The female roof rat has ten mammary glands. Other pests related to roof rats. They have no notch on inside of their upper front teeth. The average female gives birth to three or four litters annually and each litter contains between five to eight roof rat babies.

Though they will eat meat and grain these adorable beasties love to feed on fresh fruit plant materials nuts seeds vegetables tree bark and even bird feed. Reproduction roof rats become sexually mature between two and five months producing four to six litters per year that consist of six to eight young each. However the roof rats do not always produce as much offspring. The color of the roof rat varies depending on the sub species and is as follows.

Habitat roof rats live in colonies and prefer to nest in the upper parts of buildings. Roof rats weight 4 to 12 ounces and are 13 3 4 to 17 3 4 from the tip of nose to end of tail. Becoming sexually mature in a matter of months roof rats typically have five to eight pups per litter and four to six litters per year. Female roof rats can give birth to as many as 40 new offspring every year meaning an infestation can rapidly grow out of control if not checked.

Since they live in warmer regions they re able to reproduce year round. They also have fewer teats. Roof rats only live up to one year but have the ability to produce as many as 40 new offspring during their lifetime. Roof rats get ferocious and tend to bite or scratch when threatened or cornered.

While 12 is considered a large litter and 15 or 16 babies is possible the average number is 8 to 10 babies per litter of norway rats. Baby roof rat damage blind and hairless at birth roof rat babies develop quickly. These bites or scratches can cause what is known as rat bite fever or even tetanus. From rat bites and scratches to saliva and urine rats can cause many diseases.

In dense populations these rodents will establish a social hierarchy wherein dominant males mate more than subordinate males. The common lifespan of these rodents is about one year.