Sea otters communicate with 9 vocalizations and each otter has its own distinct scent that convey identity, age, and sex.
Sea otters communicate through body contact, scent, and vocalizations, although they are not overly vocal.
Researchers have recognized nine vocalizations. Pups use squeals to communicate with their mothers. Other calls include coos, whines, distress screams, growls, snarls, and whistles.
Scent is important in recognition and surveying physiological states. Each sea otter has its own distinct scent that conveys identity, age, and sex.