Creature Behaviour Changes :
Increased Movement Speed varation and greater differences in movement style between genus'
Adjusted Noise frequency to accomodate larger numbers
Greater variety in height preferences per genus
Greater likelyhood that larger = more dangerous
Increased migratory distances groups move
Greater difference between night and day aggression

Creature Spawn Changes :
Significantly greater spawn distances
Greater variety of Air, Ground, Cave and Underwater species when life is detected
Spawn points spread out significantly
Spawn Groups increased in size and variation
Greater possibilities for small, large and huge variations
Spread of spawns over night and day for Air, Ground and Underwater
Increased uncommon and rare possibilities

Biome Creature Changes :
Probabilities adjusted to make less-than-ideal worlds more interesting
Total Possibile chosen species groups increased across the board
Better predator/prey combinations