The olfactory sense in animals can become highly developed in some species, so natural scents play a biological role of utmost importance for the survival of the species. It is through olfactory cues that males and females are able to mate, and smells also keep a colony of individuals informed about the various developments that may affect them. Some of the odors naturally secreted by certain animal varieties are used in the manufacture of perfumes and colognes, the same way they have been known for thousands of years by mankind.I
At present, some molecules found good quality synthetic substitutes, which has contributed to lower costs and protect certain endangered species. Ambergris is widely used in perfumery. It is also the reason why the whales are on the verge of extinction, besides the use of his fat. This substance was highly coveted because it has the property of fixing volatile perfumes. Its origin can be placed in the animal intestinal secretions. It has a very distinctive smell, something sweet. Amber extracted raw whale is called white amber and can not be used. It must be subjected to a process of photodegradation to achieve this coveted final transmutation in substance.I
Musk is another substance widely used in perfumery. It is a secretion from the gland of the musk deer, although other species such as the musk ox, muskrat, duck and musk are also capable of producing similar substances. It is a concentrated substance with a strong smell, almost intolerable to humans. Its application in perfumery is done in very small doses. Musk has in its composition a number of hormones called pheromones which aims to attract the female. It is believed that perfumes in the composition have used musk some aphrodisiac.I
Other animal substances used in the manufacture of perfumes and colognes is the beaver, a glandular secretion of some species of beavers. The animal naturally used this substance to match his coat and give extra water protection. Castoreum properties are to be set to other essences, and print their particular smell. Unfortunately excess beaver hunting in order to obtner your skin and glands secretion has led to the near extinction of the species, which are in the list of protected species.