Every year thousands of mammals, birds and fish die because they have become entangled or choked by our rubbish. Always pick up any pieces of litter that you see, no matter how small. Wildlife does not know the difference between rubbish that can kill them and food. Our litter can cause the following: Fishing line can become tangled around necks, wings and feet of animals Hooks become jagged in mouths of unsuspecting birds and mammals Plastic bags become lodged in the stomach and throat of many animals Watch batteries can cause mercury poisoning if swallowed Plastic six-pack connectors can become stuck around the neck and strangle an animal