The average lifespan of a pet rat... (The large testicles of a male rat should be apparent by the age of three weeks.
A rat will usually live two to five years in captivity (as a pet). In my experience, three years is about average. Males tend to live slightly longer than females.
the average age is 70
They live to the average age of 15-25
They live to be three to four years old. The average age is around 2-3 years but depending on how well you take care of them, it is possible for them to live much longer. The oldest rat I've read about was 6 years old.
They can live up to 3 at the average "old" age. Some live older!
Yes a rat can live in the desert..
Average is 15 years
IF you die of old age then the average age you can live to if you are male is 76, in the u.s.a. That is, and 82 for females!
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The average lifespan of a rat is two to three years. Just as other animals rats begin as babies, reach pubescent age, and adulthood.
Pet rats usually live to a maximum of three and a half years. The average age: two years old. This is why it's a good idea to purchase from a good breeder. Rats bred from healthy parents and born into a healthy environment generally live longer.
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