Thus, some animals have been seen stimulating their own sex organs when alone, or mounting partners of their own sex, or trying to copulate with members of other species (including man).

• 因而，人们发现一些动物独处的时候却正在刺激它们自己的性器官，或者正骑跨在属于它们自己性别的夥伴背上，或者正设法与其他动物物种（包括人类）的个体发生交尾行为。