The answer to 'why is my rodent swarms' is that you likely have a serious rodent infestation on your hands. Rodent swarms can be caused by a few key factors, including an abundant food source, lack of natural predators, and ideal nesting conditions in or around your home.
Common signs of a rodent swarm include seeing multiple rodents at once, hearing constant scratching or squeaking noises, and finding droppings, nests, or other signs of rodent activity. If left untreated, rodent swarms can quickly spiral out of control and lead to significant property damage and health risks.