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Originally Posted by aeshna5  Nice story, but dolphins aren't always so altruistic. Quite a few Porpoises get targetted + killed by Bottle-nosed Dolphins every year. Not sure if they see them as competitors? |
This was on nature shock. The adult dolphins were killing porpoises of a certain size in practice for killing younger dolphins. They always chose victims of thye same size. No one knows why they do it..