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. 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. they're wrong, but i actually agree with their sentiment on a personal level. save. 2 comments. Everything You Ever Wanted to Know About Animals. After eleven or twelve months, female dolphins give birth to their young with the assistance of another female dolphin or “midwife”.  Birth can happen anywhere and when it does the pod will often be seen surrounding her protectively while she is in labor as a way to defend the mother and calve and fend off any predators such as sharks who may be thinking about picking up a quick meal. When a dolphin is positioned below a shark at a distance of several yards, the dolphin will often make a sudden rush at the shark’s soft underbelly and ram it with its snout.  The effect this has on the shark can be quite effective.  It resembles a powerful punch and can seriously injure a shark with just one blow.  When dolphins use this as their weapon against sharks, it often renders the shark stunned or knocks them unconscious immediately.  Sometimes a dolphin will repeatedly ram a shark that has been aggressive in order to protect itself or its group, and in some cases have even been known to kill large and dangerous sharks.  In most cases, even if the shark does not die as a result of the dolphin driving its snout into its underbelly, the force that it has on the shark will often leave some kind of internal damage. However to many people’s surprise, dolphins are among the most sexual animals on earth and are not monogamous. hide. 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. 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. When aroused, a dolphin male may even mate several times an hour, often with the same female but not always. Smug. After this, dolphin mating is about the same as any other mammalian mating. Dolphins are an interesting character and lack olfactory receptors (interestingly enough, the olfactory tract and bulb only exist in the fetal stage of development) therefore, it is true that dolphins do not have a sense of smell. More posts from the confidentlyincorrect community, Continue browsing in r/confidentlyincorrect, For those times when people are way too smug about their wrong answer, Press J to jump to the feed. This isn’t to say that female dolphins are monogamous … It doesn't appear in any feeds, and anyone with a direct link to it will see a message like this one. 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. Something that is also very interesting is the fact that although dolphins lack a sense of smell, they do not lack a sense of taste as a result of not being able to smell.  They also show preferences to certain kinds of fish opposed to others.  Since dolphins spend most of their time underwater, tasting the water can function as smelling in that substances in the water can signal the presence of objects that are not in the dolphin’s mouth. After this, dolphin mating is about the same as any other mammalian mating. No, dolphins do not mate for life. report. Humans and dolphins are entirely monogamous apparently. 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.

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