Animal Having Sex- Facts About 7Animals
Animal Having Sex, Animal sexual behavior takes many different forms, including within the same species. Common mating or reproductively motivated systems include monogamy, polygyny, polyandry, polygamy, and promiscuity. Other sexual behavior may be reproductively motivated (e.g. sex apparently due to duress or coercion and situational sexual behavior) or non-reproductively motivated (e.g. interspecific sexuality, sexual arousal from objects or places, sex with dead animals, homosexual sexual behavior, and bisexual sexual behavior).
How kangaroos do it
Kangaroos are capable of breeding all year-round, though most mating occurs in late spring and early summer. Males are highly competitive with females and battles are common. To start the sensual act, “a male will rub his chest on the grass or some bushes, growl, and cluck as he stands up onto his toes and tail tip,” said biologist Emily Miller of the University of Sydney in Australia. The other male will either bow low and cough (signifying he declines the challenge) or fight back, resulting in a violent boxing match that usually ends when the loser runs away.
After a male has won access to a female, he will grab her at the waist from behind with his powerful arms, hold her still and mate with her for up to 50 minutes. Interestingly, females have three vaginas — two for sperm and one in the middle for birthing. Males have long, double-headed penises to inseminate the lateral vaginas.
How blue whales does it
Here’s what scientists do know about blue whale mating: Balaenopterid musculus whales reach sexual maturity between 5 and 15 years of age, and have a gestation period that lasts 10 to 12 months. In late July and early August, they begin to form pairs, where a male will follow a female around for weeks on end. “I think this pairing up is sort of like dating,” Richard Sears, a cetacean researcher with the Mingan Island Cetacean Study, told Live Science, adding that sex between the couple isn’t a foregone conclusion.
How black widow spiders does it
Black widow spiders are so named because of the widespread belief that the female spider always eats her partner after sex, but the mating habits of these arachnids aren’t so black and white.
In each of about three black widow species, the male is no more than half the size of the female. After maturing, the male will spin a small “sperm web.” He deposits some semen into the web and coats his palps —two appendages near the mouth, which resemble tiny claws or thick antennae — with sperm. He then sets off to find a female of his species.
How Great White Sharks do it
Even so, research has shown the species reaches sexual maturity at age 15, and that males have a modified pelvic fin called a clasper to impregnate females (internally). Based on observations of other shark species, researchers believe male white sharks must first bite their mates near their heads or pectoral fins, giving them enough leverage to insert their claspers. Impregnated females then migrate for two years, a behavior that’s likely linked to their 18-month gestation period. After giving birth to live young, which spend the first years of their lives in coastal waters, females return to their breeding grounds to mate again. Males, it seems, return every other year to their breeding grounds off Guadalupe Island.
How bats do it
Given they are the only mammals able to fly, bats have some unique, and quite diverse, mating behaviors not seen in other mammals. For hibernating bat species, males and females meet for the first time that year at their winter hibernation sites where they swarm in large numbers, chasing each other and performing dazzling aerobatics.
Other species, such as horseshoe bats, are more discrete in their courtship and don’t form swarms — the females visit males at their roosts.
Arboreal bats have their way of doing things. Male hammer-headed bats line up in trees along the riverbank and try to woo passing females by “honking” at them. Male sac-winged bats, on the other hand, hover in front of females to waft enticing pheromones and demonstrate their flying prowess.
For some species, mating takes place upside down, whereas other species mate on cave walls or in rock crevices. The male takes hold of the female from behind and inserts his penis into her vagina — this encounter can be brief, or long and noisy.
Researchers have found that female short-nosed fruit bats perform oral sex on their mates to prolong the act; male Indian flying foxes do the same thing to females.
How chimps do it
Chimps may share most of our DNA, but when they get busy it’s much bolder than human sex. Like humans, chimpanzees have sex year-round. When a female is in heat, the skin around her genitals becomes pink and swollen — a clear sexual signal to males.
If a female is interested in a male, she’ll put her swollen bottom right up in his face. When a male wants sex, he shakes a tree branch or displays his erect penis to a female.
While human males often prize youthful partners, male chimps prefer older females who have the most sex. Subordinate males often like to mate in secret, out of the alpha male’s sight. If an alpha male catches a coital couple, he may execute a “bluff display,” where he charges at the pair, Darby Proctor, a primatologist at Emory University, told Live Science.
But his aggression is wasted. A few seconds after a male mounts a female from behind, the deed is already done.
How Crocodiles do it
Crocodiles are well-known for their armored skin, sharp teeth, and powerful jaws, but the ancient reptiles’ mating behavior is just as striking as their appearance. Though mating behaviors vary among the 23 crocodile species, they do share many similarities. The scaly sex starts with a dance. Males begin by bellowing above water while producing low-frequency infrasound, which humans cannot hear.
Once the male and female meet up, they’ll tenderly rub each other’s snouts and backs, ride one another or blow bubbles. When the couple is ready for business — sometimes after several hours of courtship — they’ll twist around each other, trying to align their cloaca (waste and reproductive orifice). Seconds after alignment, the male inseminates the female with his hidden penis
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