Freie Universität Berlin

Using gland regions on their heads, warthogs mark poles and other objects for self-orientation. Males often mark during the mating season. The male also sprays urine when searching for and inspecting sleeping cavities.

The arousal behavior of the warthog is shown. Also explained is the muzzle fight between boars and females.

About Japanese shota comics and the people who read, draw and love them.