+Cetaceans are wholly aquatic [mammals](/wiki/Mammal) renowned for their intelligence and grace. This diverse order includes [Whales](/wiki/Whale), dolphins, and porpoises, embodying life's deep connection to the ocean.
+## See also
+- [Dolphin](/wiki/Dolphin)
+- [Porpoise](/wiki/Porpoise)
+- [Marine Biology](/wiki/Marine_Biology)
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