Odors, smell, muzzles ...

For many animals sense of smell is more important than vision and hearing. It may not be but always nose, which is cichovym authority. On the other hand, we also may have completely different functions, such as tactile There is a sense of smell of animals developmentally oldest sense, and is thirty thousand times more sensitive than taste. Excellent ability olfactory orientation, for example, insects. In particular, sexually attractive female substance called attractants have been one of the first chemical signals that scientists have been discovered and analyzed.

Continuation of Animal Planet No 1 / 2006
Not like our nose
There are noses, sometimes very strong, which is used for other purposes than just cichovym. Very significant is our Mole hvezdonosy. Does it twenty-two small processes, none of which is not related to the sense of smell. Each of them is 25 000 Receptor 100 000 connected to nerve fibers zakoncenych in the relevant parts of the brain. When the movement of the processes of stretch and shrinks approximately ten times per second, Mole grope their surroundings. As has already been said, not the smell, but in this case, the change in our body and our looks hmatu.Pusobive male cepcola hrebenateho during mating. It's kind of tulenovitych who live in the northern polar seas and reach lengths up to three and a half meters.During the courtship sealed a nasal opening and the second launched by the air so that the inner membrane Vytlacil out. This will provide a kind of impressive red balloon, which can fit up to six liters of air. It serves to intensify the sounds that male issue to zastrasili other males, but also as an attractive ornament, which attracts a female to be a manifestation of the strength, health and sexual ability.
A similar decoration is proud and kahau nosed, shy rezavohnedy species of monkey families kockodanoviti which are home to mangroves in Borneo. At the time of adolescence, males will grow a massive overhanging nose to such lengths that it sometimes must hurt pridrzovat up. It serves primarily as a resonator voice. Females have small noses and pointed,but males have a large income for them sexual attractiveness.

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