4 years old
The earliest a guinea pig can mate is at the age of 6-8 weeks.
No, but they will "play" mate. Male rabbits can starting mating at about 7 months of age.
Ranged to about 6 months..
It is a sign of maturity, and that they are a dominant male and are ready to mate. It develops with age.
Male camels become mature enough to mate at 6 years of age.
I doesn't really have to do with size. Once a RES hits sexual maturity it is able to mate. For a male this will happen at 2-4 years of age, and for females this will happen at 5-7 years of age.
Some people say a year or young what ever age
3 to 4 weeks
Well that was a crappy answer, now wasn't it. Cats can continue to "mate" all they want, but there aren't going to be any kittens. They can still be aroused if that's what you're asking. It's best to get male cats neutered before 6 months of age when they become sexually active.
we can donate money to panda charitites or adopt a panda
Usually you would want to wait until a female is 2 years of age before breeding. A male can be 1 year of age.
The earliest age that you can retire is at 62 years old.