Bottlenose dolphins in Shark Bay, Australia form alliances and coordinate the timing of their clicking noises to attract females and deter other males
Source:
https://www.newscientist.com/article/2239312-male-bottlenose-dolphins-synchronise-their-calls-to-attract-females/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home