Feral Pigeons The feral Pigeon (Columba Livia) has become very much a pest in our towns and cities. There are a few things to consider when you have pigeons in you workplace or home Pigeons carry many different diseases such as salmonellosis, tuberculosis and ornithosis which can be transmitted to humans. Fouling contains many different insects such as bird mites and yellow mealworm beetles. Biting insects in houses, flats and offices are often linked to pigeon nests nearby. Fouling is harmful to your building and can block gutters and drains, leading to expensive repair costs. Fouling can cause fire escapes and stairways to become slippery raising health and safety issues for you and your staff. Feral Pigeons can breed all year round.