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Original file (WebM audio/video file, VP9/Opus, length 1 min 24 s, 1,920 × 1,080 pixels, 1.23 Mbps overall, file size: 12.39 MB) This is a file from the Wikimedia Commons . Information from its description page there is shown below.
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Another form of coercion is male mate guarding, used to keep females from mating with other males, and often involves aggression. [8] Guarding allows the males to ensure their paternity. A classic example occurs in diving beetles, family Dytiscidae. After copulation, males continue to guard females for up to six hours.
Polygyny (/ p ə ˈ l ɪ dʒ ɪ n i /; from Neo-Greek πολυγυνία, from πολύ-(polú-) 'many' and γυνή (gunḗ) 'woman, wife') [1] is a mating system in which one male lives and mates with multiple females but each female only mates with a single male.
As the snails approach mating, hydraulic pressure builds up in the blood sinus surrounding an organ housing a sharpened dart. The dart is made of calcium carbonate or chitin, and is called a love dart. Each snail manoeuvres to get its genital pore in the best position, close to the other snail's body.
The video is often incorrectly mistaken for Pinyan's last sexual encounter with a horse called Big Dick. [24] The video was nicknamed "Mr. Hands" or "2 Guys 1 Horse". The video, intended originally to sexually gratify the viewer, became one of the Internet's first viral shock videos and was featured in the documentary Zoo.
A comparative study between women who had consensual vaginal sex and victims of rape found that in consensual sex, 6.9 percent of women had genital injuries. Among women who were raped, 22.8 percent suffered genital injuries. [74] In men, there is a risk of penile rupture if the penis is bent when erect.
In zoology, copulation is animal sexual behavior in which a male introduces sperm into the female's body, especially directly into her reproductive tract. [ 1 ] [ 2 ] This is an aspect of mating . Many aquatic animals use external fertilization , whereas internal fertilization may have developed from a need to maintain gametes in a liquid ...