I've noticed in Skyrim that enemies such as bandits, namely the weakest type that is, just bandits become less and less common the more you level up.
I was wondering do some enemies stop appearing all together after you reach a certain level?
I don't want to not encounter Blood Dragons anymore just because I'm to high for them :(
They look so cool!
This is correct. Lower leveled bandits and whatnot become more scarce. Of course, the wikis can give you detailed information on leveled lists, which include enemies, loot, and non-unique NPCs.
Yes, some lower leveled enemies do become completely extinct as you level up.
You can fix this with a variety of mods, such as this one http://www.nexusmods.com/skyrim/mods/9857/?
