Many other vertebrates, like most reptiles and amphibians, don’t have pinna. Their external ears are simple openings. And some animals like fish have no external ears at all, hearing only the ...

Thought to be pretty redundant in modern humans outside of wiggling our ears for a giggle, new research has revealed that certain ear muscles that let animals ... moving the pinna, the outer ...

Although swelling of the pinna may seem to be an obvious aural ... prevent recurrence and retain the natural appearance of the animal's ears 2. The surgical procedure should be done under sterile ...