When working with animals hazards can occur. These hazards can be dangerous to both humans and also to the animal itself, but with knowledge of these hazards they can be easily avoided, keeping both the people and animals in the area safe. Bites and Scratches: Bites and Scratches are one of the most common hazards when working with animals. A person can be bitten by an aggressive or even and animal that is afraid. Also when handling animals, whether they are frightened, aggressive or over excited