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Females can also form alliances with other females for protection against aggressive males. [1] Researchers have observed such alliances in many other female-bonded species, including other Old World monkeys such as macaques , olive baboons , patas and rhesus monkeys, and gray langurs ; New World monkeys such as the capuchin; and prosimians ...
Females spiders (Pisaura mirabilis) store more sperm from gift-giving males suggesting that sperm storage is under female control through cryptic sperm choice. [8] The increase in sperm storage from the gift giving males might allow females to produce "sexy sons" that also give gifts and increase the fitness of offspring.
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Capuchin monkey. A study at Yale–New Haven Hospital trained capuchin monkeys to use silver discs as money in order to study their economic behavior. The discs could be exchanged by the monkeys for various treats. During one isolated incident, a researcher observed what appeared to be a monkey exchanging a disc for sex. The monkey that was ...
In 2021, a US-based private “monkey haters” online group, where members paid to have baby monkeys tortured and killed on camera in Indonesia was closed down, but other extreme videos have ...
Artificial insemination is the introduction of sperm into the reproductive tract of a female by means other than sexual intercourse for the purpose of impregnating the female. [12] In humans, artificial insemination may be used when a woman or her normal sex partner cannot, for any of a number of reasons, conceive by natural means.
Among bonobos, males and females engage in sexual behaviour with the same and the opposite sex, with females being particularly noted for engaging in sexual behaviour with each other and at up to 75% of sexual activity being non-reproductive, as being sexually active does not necessarily correlate with their ovulation cycles. [117]
Women in six U.S. states are now effectively allowed to be topless in public, according to a new ruling by the U.S. 10th Circuit Court of Appeals. 'Free the Nipple' movement: Women can now legally ...