Press question mark to learn the rest of the keyboard shortcuts. Sorry, this post was deleted by the person who originally posted it. Although dolphins have blubber instead of fur that help hold in its heat and give it a streamline shape, it is true that dolphins do have hair, but only a tiny bit.  The only place that they have hair is right next to their blowhole.  Though most dolphins do not have hair, they do have hair follicles.  These hair follicles are believed to perform some sort of sensory function.  For instance, the small hairs found on the Boto river dolphin are believed to function as a tactile sense possibly to compensate for the creature’s poor eyesight. It is for this reason that dolphins sometimes have the upper hand and are much swifter than sharks.  They have also been known to maneuver very quickly and are very agile in the water.  The tail of a shark is also different from a dolphin.  A shark’s tail has a fins located on a vertical plane that move from side to side which limits its ability to quickly dive downward and /or rise upward.  A dolphin’s tail however has horizontally mounted flukes that move up and down and enable a dolphin to change direction with ease, allowing it to move upward or downward with no problem. Lol ok hang on I gotta go break up with a bunch of people. However to many people’s surprise, dolphins are among the most sexual animals on earth and are not monogamous. What makes a mammal, a mammal are the several characteristics that particular animal has.  For instance, all mammals have hair, as well as fat glands and sweat glands, female mammals also have mammary glands.  All mammals are vertebrates and also have several types of teeth.  Therefore, dolphins would not be classified as fish, they would be classified as mammals since they not only breathe air into their lungs, they have hair at some point during their life cycles, are warm blooded creatures, give birth to live young, and also nurse them with their mammary glands. It doesn't appear in any feeds, and anyone with a direct link to it will see a message like this one. Smug. According to dolphin sex researcher Dara Orbach, harbor porpoises may be even more coercive, waiting for a female to come to the surface of the water to breathe, and then leaping out of the water and trying to hook her with their penises. Everything You Ever Wanted to Know About Animals. After this, dolphin mating is about the same as any other mammalian mating. Is a Penguin a Bird, Mammal or Amphibian. However to many people’s surprise, dolphins are among the most sexual animals on earth and are not monogamous. For instance the killer whale (which is actually a dolphin) may be found swimming with up to three generations of family members within its […] No, dolphins do not mate for life. i assume this was in a pro-life pro-choice argument tho so i don't wanna get into that. Since dolphins normally travel together in groups, if one of the group is threatened by a shark, the other dolphins will join in without hesitation to do its best to defend the dolphin that is in danger.  The dolphin’s main weapon against a shark attack is its snout, which is made up of very strong and thick bone and has a hard rounded end.  The dolphins circle the shark rapidly from different directions thus confusing the shark and rendering it unable to chase any of the other dolphins. After this, dolphin mating is about the same as any other mammalian mating. When aroused, a dolphin male may even mate several times an hour, often with the same female but not always. Calves must eat quickly, as it is important for them to get back up to the surface to breathe.  It is because of this that unlike most mammals that are equipped with a way to suckle their mother’s milk, dolphin mothers instead have specialized muscle contractions that squirt milk into the calves’ mouth.  Dolphin calves grow very quickly on the high fat of their mother’s milk, and in some species have even been known to double in weight within a mere two weeks. save. At first glance, sharks and dolphins may seem to be similar in size and shape, though sharks obviously appear to be stronger for obvious reasons already mentioned.  However, when taking a closer look there are many differences in the two that can be noted and give the dolphin quite an advantage.  Sharks are an ancient fish with skeletons of cartilage, where dolphins are descended from mammals that have returned to the sea and sport skeletons with hard, calcified bones.  The skeletons of sharks have joints that are not as flexible as the dolphins. 67% Upvoted. The sex life and reproduction of a dolphin is quite fascinating and differs from many other mammals in a few ways.  Dolphins have been found to most often reproduce during the spring, with a male-female courtship ritual playing a large part in dolphin dating.  To copulate the male dolphin nudges the female dolphin from behind with his sex organ for several minutes and then mounts her from behind.  After this, dolphin mating is about the same as any other mammalian mating. hide. Baby dolphins are born tail first to avoid drowning, and are usually single births, with the exception of a few smaller dolphin species that have been known to give birth to two calves.  During the birthing process, dolphin mothers help the calves to reach the surface by swimming beneath them and then gently lifting upward to get their first breath.  Afterwards, the calves typically try to feed by finding the mammary glands located in the sacs toward the mother’s rear.  Nursing has been known to generally continue anywhere from twelve to eighteen months.

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