Reproduction and Sexuality

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  Dolphins' reproductive organs are located on the underside of the body. Males have two slits, one concealing the and one further behind for the . The female has one genital slit, housing the vagina  and the anus . Two are positioned on either side of the female's genital slit 

 Dolphin copulation  happens belly to belly; though many species engage in lengthy foreplay , the actual act is usually brief, but may be repeated several times within a short timespan. The gestation period  varies with species; for the small Tucuxi dolphin, this period is around 11 to 12 months, while for the orca, the gestation period is around 17 months. Typically dolphins give birth to a single calf, which is, unlike most other mammals, born tail first in most cases. They usually become sexually active at a young age, even before reaching sexual maturity . The age of sexual maturity varies by species and gender .

  Dolphins are known to display non-reproductive sexual behavior , engaging in masturbation , stimulation of the genital area of other individuals using the rostrum  or flippers, and homosexual contact. Various species of dolphin have been known to engage in sexual behavior up to and including copulation with dolphins of other species. Sexual encounters may be violent, with male dolphins sometimes showing aggressive behavior towards both females and other males. Male dolphins may also work together and attempt to herd females in , keeping the females by their side by means of both physical aggression and intimidation, to increase their chances of reproductive success. Occasionally, dolphins behave sexually toward other animals , including humans.
 

 

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