What is the widely believed functional purpose of the Waterbuck's potent, musky secretion?

Answer

It is widely believed that this strong scent acts as a deterrent to predators, making the waterbuck unappetizing or difficult to stalk effectively.

The Waterbuck possesses a unique chemical defense mechanism linked to the thick, oily substance secreted by specialized scent glands, particularly those located below the tail (preorbital glands) and on the knees. This secretion produces a pervasive, strong, musky odor that transfers easily to surrounding vegetation. The prevalent theory regarding the ecological role of this intense musk is that it functions as a chemical defense mechanism. Predators, such as lions and hyenas, are likely deterred by this powerful odor, perceiving the Waterbuck as unpalatable or finding the persistent scent trail too easily traceable, which complicates effective stalking behavior. This suggests a trade-off where the disadvantage of being chemically traceable is outweighed by the benefit of chemical repulsion, making the animal a poor prey choice.

What is the widely believed functional purpose of the Waterbuck's potent, musky secretion?

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