When the male wants to know the location of his mate, he begins a series of melodic notes, and the female joins in, even though she may be some distance away.
Kad tēviņš grib uzzināt, kur atrodas mātīte, viņš uzsāk melodisku skaņu virkni, un mātīte pievienojas, pat ja tā atrodas diezgan patālu.