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really? Penguins stay together for life.
In other words:
You call every woman that is receiving an engagement ring also a whore?
and you really wonder, why you don't have a mate?
yes, we know that. When dolphins meet the first time, they use signature sounds to introduce themselves. They always use the same sound, like it's their name. Other dolphins use those signature sounds to get the attention of the specific dolphins. Scientists recorded the sounds and the dolphins reacted to those recordings, each to their signature sound but not to those of the other dolphins. Those observations were made in captivity and in the wild. It's that easy