12 years
15 llama years=1 human years
1 chimp year = 2 human years
Dog years are every 7 years. So one human year is equal to 7 dog years.
One human year is equal to five cow years. So, if you have a cow for five years, that cow is twenty-five years old.
Chinchillas live about 15 years on average, so that would be about 6 years for every human year (considering a human life to be an average of 90 years)
One human year equals 4 duck years. so if your 25 in human years your 29 in duck years
Canaries live anywhere from 5 to 20+ years. A canary has the lifespan equal to, or even greater, than that of a human.
The equation to convert human years into panda years is 2(x-7)^2+12, where x is the panda's age in human years.
A spider monkey has four chamber like the human heart
It takes 16 fish years to equal one human year. The life expectancy of most fish tends to be very short.
Lemurs likely predate spider monkeys by many millions of years.