Right so frozen zombies are out of the question in LA. But that still leaves starvation. What else can zombies eat?
Nihil sine sacrificio parta.
In this case nasty traits would be more likely to propagate out though the entire group with a smaller population size on an island.
AKA: Grumpycakes... don't cross me.
~ TMC Revolver: Pink is the new AWESOME!
Maybe the Hawaii zombies are nasty because they are hungry. Not as many people on Hawaii, so less food. Everyone/thing can get cranky when hungry. Problem with my thought- Kalani might not have been there long enough for the zombies to start to go hungry, so that wouldn't make sense.
Just putting that out there....
I'm not lazy, I am energy efficient...
How do we know that the later generation of zombies evoled and not were not created? Typically when an animal goes though an evolution, the are several steps (and miss-steps) to a sucessful generation of evoled species. We go from Reg. Zombies to Runners to Jumpers. We no reports of the steps (and miss-steps) inbetween.