Birds Smell Out Suitable Partner
Newstrack India2012-09-08: Tweet Washington, September 8 (ANI): Birds may choose their mate with the help of smell, new evidence has shown. Birds prefer a dissimilar mate because this gives their young ones a more efficient immune system. Humans and many animals can choose a suitable mate by smell. Choosing a mate with the right smell can give the offspring an efficient immune system. This is because each individual’s smell can be said to reflect information on the individual’s genes. By… more »
Hence perfume, although too much can have the opposite effect
LOL!