The L-shape of dog’s ear canal is designed to protect their highly developed sense of hearing. Unfortunately, this design may also cause water to be trapped in the ears when bathing or swimming, resulting in inflammation and infection of the outer ear canal’s lining. This type of infection is Otitis Externa, often referred to as ‘Swimmer’s Ear’. D og Ear Structure Diagram: Sunshine Connelly Causes of Dog ‘Swimmer’s Ear’ If your dog swims in natural waters, such as lakes or po