One thing you will notice as you play through the game is that there are different types of enemies, which are designated by the icons that appear above their heads. This also extends to the animals, of which there are only two different types. Note that the type of enemy it is can usually be distinguished by what the enemy looks like, but the icon will appear if you remain fixed on the enemy for a few seconds while aiming with a weapon or with your camera.

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You can use your camera to tag enemies and find out what type they are. Make sure you watch out for Heavies (right), as they can take a lot of damage before going down.

The types of enemies are as follows:

• Normal - These are enemies that will shoot at you with guns. They are designated with a skull symbol and have no special characteristics.
• Sniper/RPG - Designated with a crosshair symbol, they are usually far away somewhere and shooting at you with either weapon. They should be one of the first enemies you kill.
• Charger - Designated with a lightning bolt symbol, these are the melee enemies that come charging at you. Some enemies under this category will use shotguns.
• Heavy - Armored enemies that typically wield a LMG and can take some punishment before going down. These enemies are designated with a shield icon over their heads and they sometimes have a flamethrower.
• Predator - Designated with a set of fangs, these animals are the ones that will come after and attack you. These typically include tigers, bears, leopards and even some others.
• Herbivore - Designated with a paw print, these animals are usually harmless and will sometimes even run away from you.