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| | Dolphin - Wikipedia, the free encyclopedia |
 | | Dolphins are aquatic mammals related to whales and porpoises, famous for their intelligence, apparent compassion, and joy. |
 | | Dolphins, along with whales and porpoises, are thought to be descendants of land-living mammals, most likely of the Artiodactyl order. |
 | | Dolphins are often regarded as one of the most intelligent animal species, though it is hard to say just how intelligent dolphins are as straightforward comparisons of species' relative intelligence are complicated by differences in sensory apparatus, response modes, and nature of cognition. |
| en.wikipedia.org /wiki/Dolphins (2592 words) |
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