Unlike many mammals, giraffes no particular season for mating

Unlike many other mammals, giraffes have no particular season for mating. The body of female giraffe is designed in such a way that they are ready to mate every two weeks, just in heat. In order to make sure that it is now such a period, the male giraffe tries ... female urine. However, this is not the end of the whole mating ritual as a female giraffe may decide that it is not ready to mate, the male left with nothing. It may take more than one day, while the male convince the female mate, and it may happen that the female and did not want to do that to seek its "body" of the male.

via factroom.ru