 The ornaments on the cow bell and the collar are usually decorative although some cultures believe that certain ornaments provide or enhance magical protections such as the power to prevent or cure fever and other illnesses.Different bells can have specific sounds to identify important characteristics of the animals, such as age, sex, and species.Some cultures have even developed names to differentiate between bells and their tones; for example, in Spanish "truco" refers to stud males, "esquila" to female goats or ewes, and "esquileta" for pregnant females and immature animals.