How do aardwolves primarily mark their territory?

Answer

By smearing a black, musky fluid secreted from their anal glands onto vegetation.

Communication heavily relies on chemical signals; both sexes use anal glands to secrete a potent black, musky substance that is smeared onto foliage or rocks to delineate boundaries.

How do aardwolves primarily mark their territory?
mammalAfricaInsectivoreNocturnalAardwolf