Here is a summary of some things that Carnivores CE improves on:

 - Improved AI for the animals, including packing, and interactions

 - More weapons and Animals

 - Combines Carnivores 2 and IA into one game

 - Seasons option for maps

 - Enchanced Resource scripting and control

 - Newer, more flexible menu

 - Multiplayer

 - Changes some basic settings for a better gaming experience

 - Larger maps

 - NPC Hunters

 - Adds vehicles to the game

 - Improved animal models and gives the user the tools to create and import their own animals

 - Option for tranquilizing and holding animals in a live zoo environment for a trophy room

 - Added user health system

 - Adds fear and hunger system for animals

 - Fall damamge for player

 - Wind warping on plants and trees

 - Improved graphics & and engine