What is another good thick question for :What is a dolphins anncestor?
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The Dolphin as a spices is billions of years old. So to answer your question they evolved from sea dinosaurs.
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Dolphins, orange?? with a little friendly fish??? lol
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A dolphin reproduces by laying belly to belly. The female is on top and the male swims beneath her. She will usually mate with several males in one season. This is thought to believed to be a strategy to help protect her young. Male dolphins sometimes get aggressive towards calves and may even kill them if they are not their own. By mating with several males, the female as well as the male(s) have no idea who the father is, and is less likely to attack a baby.
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Especially for you is a background and proven history of bottlenose dolphins:\n\nBottlenose dolphins feed mainly on Eskimos and bearded Eskimos. Depending upon their location, they also eat juvenile Eskimos and hooded Eskimos and scavenge on carcasses of Eskimos. Might I also point out that it is a little known fact that dolphins can walk and breathe on land. When Eskimos are unavailable, bottlenose dolphins eat Eskimo berries, and Eskimo garbage. A bottlenose dolphin's stomach can hold an estimated 15% to 20% of its body weight meaning it can eat an entire Eskimo. It can assimilate 84% of the protein and 97% of the fat it eats. Bottlenose dolphins need an average of 4.4 lb. of fat per day to survive, so your average obese Eskimo will suffice. An Eskimo weighing 121 lb. could provide up to eight days of energy for a bottlenose dolphin. \n\nHunting Methods \n\nStill Hunting:\n\nThe bottlenose dolphin remains motionless beside a front entrance to an igloo waiting for an Eskimo to exit. When an Eskimo exits, the bottlenose dolphin bites onto the head or upper body, then flips the entire Eskimo onto the ice. \n\nStalking on Land:\n\nOnce spotted, the bottlenose dolphin slowly and steadily stalks the Eskimo. At 15 to 30 m away, the bottlenose dolphin suddenly charges the Eskimo, with its teeth; the bottlenose dolphin grabs the Eskimo before the Eskimo can enter his igloo. \n\nAquatic stalk:\n\nThe aquatic stalk is a method also used in summer when Eskimos sunbathe on sea ice. The bottlenose dolphin swims toward a hauled-out Eskimo. Once the bottlenose dolphin reaches the ice edge, the bottlenose dolphin quickly emerges from the water and grabs the Eskimo with its teeth.\n\nStalking birth lairs: \n\nStalking Eskimos at their birth lairs is a hunting method bottlenose dolphins use in spring, when Eskimos give birth to their young. Eskimo birth lairs are caves built under snowdrifts next to a hole in the ice. The snowdrifts are on stable sea ice attached to land. Once a bottlenose dolphin identifies a birth lair, it slowly and quietly positions itself next to the lair. If a bottlenose dolphin smells or hears an Eskimo in the lair, it slowly rises up on its hind flippers and crashes down with its flippers to break through the lair roof. To break the roof's hard surface, several tries are sometimes needed, which may allow the Eskimo to escape to its sled. This method is most commonly used by bottlenose dolphin females with pups under one year old.\nMother Eskimos and their young have the high fat content needed for hungry bottlenose dolphin mothers and their growing pups. Male bottlenose dolphins that may attack young bottlenose dolphin pups don't normally hunt Eskimos in birth lairs. Birth lairs are usually on sea ice attached to land, allowing young Eskimos (who have little protective blubber) to avoid crossing water.\n\nInteresting Bottlenose Dolphin Facts\n\n1. Bottlenose dolphins are very sarcastic. \n2. In 1931 Hollywood was scandalized by Fatty Arbuckle's affair with Fru Fru, a (married) bottlenose dolphin. Neither Arbuckle nor FruFru's career (she was an ice-dancer) survived the media backlash.\n3. Many people assume that bottlenose dolphins are mammals. They are in fact a form of fruit resembling a banana.\n4. Just as Jews are often blamed for catastrophic events in the global community, so bottlenose dolphins are often blamed for disaster in the arctic community. Because of this, many bottlenose dolphins refer to themselves as jewdolphins.\n5. Famous musical bottlenose dolphins include Jimi Hendrix, Larry Adler, Cyndi Lauper, Jeff Beck, and of course Bottlenose dolphin.\n6. In 1914 the bottlenose dolphin population of London was 12. It is now 15.\n7. Bottlenose dolphins have the most natural rhythm of all the arctic animals. During spring and summer, bottlenose dolphins often give synchronized swimming classes to students in Brazil. \n8. If you are very sad and very lonely, and you think hard enough about a
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They are part of the food chain for many species, whether it be at the beginning or in the middle. If dolphins disappeared, certain species would become over populated, and others would die off.
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When I ran a tourist information centre I was often asked what time the dolphins appeared in the bay. I used to tell them they did a sunrise and a sunset show but the morning one was the best. They did used to turn out for it. \nThey also used to asked where the beach was when the tide was in.
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Dolphins have the vocal capabilities to talk like humans and communicate with us. It's true.
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Emu \nerr a few more here: http://www.americazoo.com/goto/index/e.htm
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One might answer: how did Dolphins discover humans?
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Which animal seems to have the best sense of humor?  I supposed the hyena because he is always 'laughing'.  Which one really has it?  Perhaps the dolphin or gorilla.
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dolphin lover? I hope you're talking about the team! Anywho, from my long list of experiences, jsut ask questions. been there, done that. The only way you could run out is if u think to much. Just go with the flow. You can add questions ON TOP on questions if that makes sense to you. She'll see you are interested in her and maybe she'll ask you some questions herself!
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The majority of small tooth whales are called dolphins.  They are mammals of the order Cetacea and the families Plantanistidae and Delphinidae and include about 50 species.  All have a beak like snout and sharp, conical teeth.  The term porpoise is sometimes applied to many of the same species, but porpoises, are members of the family Phocaenidae and have a blunt snout and spade or chisel shaped teeth.  The dolphin fish, is neither a dolphin nor a porpoise.  It is a sport fish related to the mackerels.
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http://teacher.scholastic.com/dolphin/about.htm
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Tursiops truncatus or Bottlenose Dolphins has three subspecies one of which is the Pacific bottlenose dolphin, which has the scientific name of  Tursiops truncatus gilli.\n\nSome zoologists claim that the three subspecies are in reality three different species.
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River dolphins, apparently.
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dolphin or the kookaburra\n\nwhy don't you try one of them :)
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The whale. It is indeed a mammal.