Longevity and gestation period for mammals
A data frame with 40 observations on the following 3 variables.
Animal Species of mammal
Gestation Time from fertilization until birth (in days)
Longevity Average lifespan (in years)
Dataset with average lifespan (in years) and typical gestation period (in days) for 40 different species of mammals.
2010 World Almanac, pg. 292.