During mating, the female has the advantage and mating choice.

During the fall mating season, bull moose may be aggressive toward humans due to the high hormone levels they experience.

During the mating season, the male's neck and thighs become brighter.

During conjugation, a pilus emerging from donor bacterium ensnares the recipient bacterium, draws it in close, and eventually triggers the formation of a mating bridge, which establishes direct contact and the formation of a controlled pore that allows transfer of DNA from the donor to the recipient.

During mating, each individual places a spermatophore onto the neck of its partner after rupture of the seminal vesicle.

During the breeding season, an adult male is accepted into the band of females and juveniles near the beginning of the breeding season, leading to a polygynous mating system.

During mating, the heads on one side " shut down " and do not grow in size ; the other two are used to release semen into the female's two-branched reproductive tract.

The men acted out the violence which had allowed the Morning Star to mate with the Evening Star ( by breaking her vaginal teeth ) in their creation story, with a “ meteor stone .” During the Morning Star ceremony, the captive was shot in the heart and a “ man struck her on the head with the war club from the Morning Star bundle .” By having all the men in the village shoot arrows into her body, the village men, embodiments of Morning Star, were symbolically mating with her.

During mating season, the male Western Capercaillie feeds mainly on bilberry leaves, which are toxic to most herbivore s

During an Interval, it may be as long as a decade between mating flights.

During mating season, the salamanders will travel upstream, where the female lays two strings of over two hundred eggs each.

During mating season, the Laughing Kookaburra reputedly indulges in behaviour similar to that of a Wattlebird.

During the mating season, resident males may be chased away by invading solitary males.

During the mating season the female leaves her territory in search of a male.

During mating rituals, mantis shrimp actively fluoresce, and the wavelength of this fluorescence matches the wavelengths detected by their eye pigments.

During mating season they build nests in the palm trees that line many streets in the region.

During the mating season, male seals will " sing ," emitting a long-drawn-out warbling note that ends in a sort of moan or sigh.

During the mating season, a male will select a fertile female and guard her to ensure that he will sire her calf.

During the mating season, males and females make acoustic calls to each other over distances, with at least the males having individual variability in their vocalising sequence patterns.

During this process, genetic material is transferred to another bacterium through the mating bridge.

During their mating season, the male birds announce their presence with the well known " cock-a-doodle-doo " call or crowing.

During the mating season, the face and genitalia of males redden and the tail will stand erect.

During mating, a bull will casually kick an estrous cow with his foreleg to calm her down and make her more receptive to his advances.

During the breeding season, unpaired male aardwolves will search their own territory, as well as others ', for a female to mate with.

During the breeding season, the male call of this marsh-dwelling bird is a " low pitched boom "; hence, it is occasionally called the " bunyip bird ".

During copulation, the male stands on its hind legs with its head held up and its front legs resting on the female's sides.

During the next 25 years, only two jaguars were documented in the United States, both killed: a large male shot in 1971 near the Santa Cruz River by two teenage duck hunters, and another male cornered by hounds in the Dos Cabezas Mountains in 1986.

During the germination period of reproduction the fish are exposed to low levels of estrogen which may cause reproductive dysfunction to male fish.

During sexual intercourse using condoms, for example, the male might intentionally pull off the condom and continue penetrating without the female ( or male receptive partner )' s consent and notice.

During courtship the male will perform a ritualised dance which includes actions that mimic the skewering of prey on thorns and will feed the female.

During the winter molt it sheds all its feathers ; in the spring, it sheds all but the wing and tail feathers, which are dark brown in the female and black in the male.

During World War II, women performed roles some of which would otherwise have been considered male jobs

During the process, the female supports the male by keeping him clasped with the claws of her last pair of legs.

During this time, a succession of her male relatives held the title of regent.

During the Middle Ages, the territories of the German nobility were divided equally among the male heirs.

During the first two years of the Open Era a large number of male players began playing professionally, and the tournaments in which they competed, often men's and women's combined events, attracted increased investment.

During breeding season, the male will attempt to attract females by calling.

During a question-and-answer session, a young white male asked Meredith if he had taken part in a formal rush program.

During the breeding season, one can easily distinguish the sexes-the male is far darker than the female, with a tall wavy and transparent crest along the spine and tail, with dark spots covering the rest of the body, including the stomach area, which is a far more vivid pink or orange than it is in winter and autumn.

During the breeding season, male smooth newts develop a continuous wavy ( rather than jagged ) crest that runs from their head to their tail, and their spotted markings become more apparent.

During courtship the male newt " displays " for his prospective mate by vibrating his tail in front of the female in a distinctive fashion.

During puberty, an increase in male sex hormones called androgens cause the follicular glands to grow larger and make more sebum.

During courtship the male sings whilst he runs and postures, exhibiting his snowy breast, and when displaying he will take long and high flights, like those of the Common Kingfisher, accompanied by sharp metallic calls clink, clink, different from the normal zil.

During his career writing for DC Comics, Fox also wrote novels and short stories under a variety of male and female pseudonyms for a number of publishers, including Ace, Gold Metal, Tower, Belmont, Dodd Mead, Hillman, Pocket Library, Pyramid Books and Signet Books.

During gestation, the cells of the primordial gonad that lie along the urogenital ridge are in a bipotential state, meaning they possess the ability to become either male cells ( Sertoli and Leydig cells ) or female cells ( follicle cells and Theca cells ).