* It can easily be seen dribbling down the neck of the male and has a very strong smell.
* It can easily be seen dribbling down the neck of the male and has a very strong smell.
* The area corresponding to the poll glands becomes large and darkened due to this increased activity.
* The area corresponding to the poll glands becomes large and darkened due to this increased activity.
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* These secretions contain androgens and pheromones that are used to mark a territory.
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* These secretions contain androgens and [[Reproductive_Behaviour_-_Attractivity_Behaviour_-_Anatomy_%26_Physiology#Pheromones|pheromones]] that are used to mark a territory.