Do you have a pet? If you do, then you probably are aware of how they can be so adorable and funny. They simply turn your mood into a better one, especially after a long, tiring day. But, you know what? Having pets is not always full of flowers and rainbows and playing tag.

There can be moments when your pets can be scary, creepy even. And sometimes, they just scare the living daylights out of you! Well, all of that is part of being a fur mom or dad.

Curious how one cutie can become the source of your biggest fright? Read on to find 45 photos of pets who definitely gave their moms and dads mini-heart attacks!