There are a number of factors that can determine how long rats live.
Lifespan roof rat.
Rats that are kept healthy in captivity as a family pet can live up to 4 years.
In dense populations these rodents will establish a social hierarchy wherein dominant males mate more than subordinate males.
They rarely die naturally but when they do it s often in safe place like your attic and you ll notice the smell.
Common causes of death for a rat include vehicles domestic cats and some dogs winged animals such as hawks or owls coyotes foxes weasels and snakes.
The average lifespan of a norway rat also known as a sewer rat is right at two years.
The life span of a rat depends on if it s a wild rat or a rat kept as a pet.
Ones that are kept in domesticated captivity can live up to four years or even longer.
The rat lifespan may be shortened by predation.
The common lifespan of these rodents is about one year.
Keep in mind that this statistic is for norway rats that live in the wild.
It is a generalist omnivore and a serious pest to farmers because it.
The black rat rattus rattus also known as ship rat roof rat or house rat is a common long tailed rodent of the stereotypical rat genus rattus in the subfamily murinae.
They find an area that suits their needs with shelter and food human homes and attics quite often fit the bill and rarely venture more than a few hundred feet from that area.
The average rat in the wild will live for around one year with female rats often outliving the males.
The black rat is black to light brown in colour with a lighter underside.