I do not know your North, what name is called to this song of courtship. Here we call it troat!
不知你们北方，管这种求偶之歌称之为什么，我们这儿称它‘叫春’！One pair of jaguars even shows some very rarely seen mating behavior, so the smell seems to turn these animals on.
一对美洲虎在闻到这种气味后，甚至表现出罕见的求偶行为，可见如此气息彻底激活了这些动物。Instead, she said, her beauty acted as a Romeo- repellant , causing suitors to run screaming from her.
相反，她认为她的美把“罗密欧”赶跑了，求偶的男人们惊叫着逃之夭夭。The primitive love , generated by sexual hormones in the body, is a biological product, and a sociological conduct as well.
原始的爱是一种生物学产物，也是一种社会学行为，是由体内的求偶素催生的。This may have been used for mating displays, or it might have acted as a rudder, or perhaps both.
它的头冠可能是为了求偶时引起对方主意，或是起到方向舵的作用，或者两者兼俱。At courtship time, he waves it to attract females, often with a beckoning movement, or to fight rival males.
求偶期间，雄蟹会挥动大蟹钳，吸引雌蟹注意，或击退情敌。Many coastal birds are now getting ready to pair bond, court, and nest, noted the Louisiana Coastal Initiative's Driscoll.
很多滨海鸟类现在正配对、求偶、筑巢，路易斯安娜海岸环保促进会的德里斯科尔指出。Divas of the avian world, elaborately feathered birds of paradise, like this ribbon-tailed species, practice elaborate courtship rituals.
迪瓦狮鸟的世界，苦心经营地有羽毛的天堂鸟，像这只缎带-有尾的物种，实践完美求偶典礼。So the investigators speculate that males might synchronize to a single common pitch as a sort of mating beacon.
因此科学家们推测雄性蓝鲸们也许会一致地发出同一种单一频率的叫声作为求偶的信号。