Natural History
These dolphins keep close company. White-sided dolphins swim in groups of ten to one hundred, and can often be seen bow-riding and doing somersaults. Members form a close-knit group and will often care for a sick or injured dolphin.
Animals that live in such big social groups develop ways to keep in touch--each dolphin identifies itself by a unique name-whistle. Staying close helps, too. Young dolphins communicate with a touch of a flipper as they swim beside adults.
Read more about this topic: Pacific White-sided Dolphin
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