Lifespan Roof Rat

The average rat in the wild will live for around one year with female rats often outliving the males. The average lifespan of a norway rat also known as a sewer rat is right at two years. The rat lifespan may be shortened by predation.

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Ones that are kept in domesticated captivity can live up to four years or even longer.

Lifespan roof rat.

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 life span of a rat depends on if it s a wild rat or a rat kept as a pet. They rarely die naturally but when they do it s often in safe place like your attic and you ll notice the smell. Rats that are kept healthy in captivity as a family pet can live up to 4 years.

Rats in the wild tend to live a little less and will only live 2 or 3 years. In dense populations these rodents will establish a social hierarchy wherein dominant males mate more than subordinate males. 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.

There are a number of factors that can determine how long rats live. 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. 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. It likely originated in the indian subcontinent but is now found worldwide.

The common lifespan of these rodents is about one year. The black rat is black to light brown in colour with a lighter underside. 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.