Mitochondrial mutants. You see one such transformation early in the game, but for a different enemy type.
These alpaca-wolf looking things specifically are a stronger variation of an enemy you fight before then. Them being alterted to your presence is the intro to the area (the mines) and their pack leader is the boss of that section.
These alpaca-wolf looking things specifically are a stronger variation of an enemy you fight before then. Them being alterted to your presence is the intro to the area (the mines) and their pack leader is the boss of that section.