 While these values may greatly vary between species, they are the same for each member of that species.It is the difference among species which explains why all Aerodactyl will have a higher Speed than any Snorlax of the same level; however, it is the combination of other factors that causes some Snorlax to be faster than others.Adding up all the base stat values for a certain species generates the base stat total, which players use to determine approximately how strong that species is.