What causes bloody nose in squirrels?

A bloody nose in squirrels can be caused by various factors, including trauma from fights with other animals, collisions with vehicles, or falls. It may also result from underlying health issues like respiratory infections, parasites, or tumors. Environmental factors, such as exposure to toxins or harsh weather, can contribute as well. If a squirrel is observed with a bloody nose, it may need medical attention to address the underlying cause.