They discovered, as they report in Behavioral Ecology and Sociobiology, that male hyraxes are doing far more than just repetitively communicating that they are ready to mate.

• 正如他们发表在行为生态学和社会生物学上的文章所述，动物学家发现雄性岩狸所做的比仅仅是求偶所需的反复的声音联系要多得多。