Roof Rat Reproduction Rate

Blind and hairless at birth roof rat babies develop quickly.

Roof rat reproduction rate.

Baby roof rat damage. In rats the average litter size is 6 13 pups. In general the mother rat will deliver a new pup every 5 10 minutes. It s no secret that rats can reproduce prolifically but the numbers they can reach are staggering.

The diet of the roof rats is entirely different from their brethren species. In dense populations these rodents will establish a social hierarchy wherein dominant males mate more than subordinate males. Two weeks into the pregnancy the mother s abdomen will usually. Adult roof rats measure 6 8 16 20 cm when combining their head and body length.

Roof rats have soft and smooth fur that is typically brown with intermixed spots of black. Peak breeding season for the roof rat typically occur in spring and fall. Roof rats are long and thin rodents that have large eyes and ears a pointed nose and a scaly tail. 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.

A postpartum pregnancy will last 28 days. Roof rats are prolific breeders and multiply at a frighteningly fast rate. A female rat typically births six litters a year consisting of up to12 rat pups although 5 10 pups are more common. They prefer nuts plants and fruits to grains or high protein stuff such as scraps of meat.

Roof rats are prolific breeders. Though the most popular breeding seasons are fall and spring they may breed through the year if there is an abundant supply of food and suitable climatic conditions. Since they live in warmer regions they re able to reproduce year round. Their undersides are often white gray or black.

And also because the norway rat can quickly adapt to the changes in the temperature compared to the roof rats. The roof rat s adult head and body length is about 13 to 18 inches long including its tail the rat gestation period is normally 22 days but can vary from 21 to 23 and rarely to 26. Rats reach sexual maturity after nine weeks meaning that a population can swell from two rats to around 1 250 in one year with the potential to grow exponentially. The common lifespan of these rodents is about one year.

Next the contractions will cause her to stretch out while her sides suck in in a most amazing way. Roof rats may be identified by the following physical features. Newborn rats may reach independence and reproductive maturity at about 3 months. The average female gives birth to three or four litters annually and each litter contains between five to eight roof rat babies.

The first sign is a bloody discharge from the vagina. A female black rat starts producing around the age of 3 months. Roof rats give birth to about 5 to 8 young after a gestation period of 21 to 23 days and may have up to 4 litters a year.