Cookie and Peanut (the current cats) were born in 1999.
Fudge and Peach (the prior cats) were born in 1985.
This is a delta of 14 years.
Heidi (the dog I had as a child) was born in 1971.
This is another delta of 14 years.
These are all the pets (other than fish, etc.) I've ever had.
(My parents had a later dog, Athena, long after I moved to Boston, also born in 1985. None of the dogs overlapped. The cats overlapped for three (Fudge) / four (Peach) years.
I wonder what 2013 will bring.