Males defend territories from other males, and these territories may contain the breeding territories of up to eight females.

Males over two years become solitary due to behavioural disposition and collective aggression from the females, and will join the female groups only during the breeding season.

Males have webbed hind feet and a low, smooth crest along the back that continues into a slightly higher crest on the tail ending in a thread like tip during the breeding season of April-May.

Males can also have enlarged cloacal regions when close to breeding due to the spermatophores pressure exertion on the cloacal tissue. The crest and filament become less obvious and may disappear at other times when they become terrestrial.

Males have been known to swoop humans who encroach upon their nesting territory during breeding season.

Males have also been found to pirate food from unmated females and juveniles during the breeding season.

Males may also bark, make a low grunting noise or make a high pitched wolf-like whine when attracting mates during the breeding season, often luring multiple does into their territory.

Males and females breeding in Russia have been shown to exhibit site fidelity towards their breeding locales from year to year, but there is no evidence as to whether they exhibit territorial fidelity.

Males arrive at the breeding area in the spring, and establish a territory before the females arrive.

Males gather on the lek or strutting grounds, which are small open areas where breeding occurs, in late February to April, as soon as the lek is relatively free of snow.

Males gather on the lek or strutting grounds, which are small open areas where breeding occurs, in late February to April, as soon as the lek is relatively free of snow.

Males defend territories in the breeding season and can be polygynous, with up to three females per breeding male.

Males display during the breeding season at a lek in a traditional open grassy arena.

Males reach maturity at five to six years, but generally do not achieve alpha status until the age of eight, with the prime breeding years being between ages 9 and 12.

Males may also become aggressive during the breeding season, make sure there is plenty of cover and escape routes for the hen and it maybe necessary to house her separate and allow limited access for breeding only.

Males and females look very similar except during the breeding season, when the most conspicuous difference is a swollen gland around the male's vent.

Males sometimes show petals to females in other territories even outside the breeding season, presumably to promote themselves.

Both males exchange in mating, but only the dominant males are able to sire offspring .< ref name =" Rogers 1996 "> Males sometimes fight for breeding rights which results in dominance.

Males turn orange on the underside when they are breeding.

Males display bright red “ lipstick ” and red fins to attract mates during breeding season.

Males fast during the reproductive season, unwilling to leave their females or territories.

Males scent-mark more frequently than females, especially during the mating season.

Males may speed up the process by rubbing their antlers on trees, so that their antlers are hard and stiff for the duels during the mating season.

Males leave their territories during the rutting season, and compete for mates, using their tusks as weapons.

Males typically have a darker " beard " than females, and during mating season and courtship it will typically darken to near-black.

Males generally are not territorial, and come into conflict only during the mating season.

Males will follow females when they are in season ; when she defecates he will scrape and spread the dung, making it more difficult for rival adult males to pick up her scent trail.

Males may also temporarily join another troop during the mating season and mate with the females.

Males develop orange ( Short-Lined Skink ) to red ( Long-lined Skink ) coloration of the head during the breeding season.

Males become more active during mating season.

Males display during the breeding season by splaying the tail, fluttering and puffing up the white scapular feathers.

Males are easily detected during the breeding season by the long descending whistle that accompanies their undulating and dive-bombing flight displays.

Males have massive backswept horns while females have smaller, thinner and more parallel horns.

Males have a white throat and brow stripe bordered by black.

Males have a median income of $ 35, 296 versus $ 27, 418 for females.

Males have a median income of $ 51, 799 versus $ 33, 269 for females.

Males have more terminal hair, especially on the face, chest, abdomen, and back, and females have more vellus hair, which is less visible.

Males have significantly larger pectoral fins than females.

Males and females also have different patterns of black and white skin in their genital areas.

Males who consider themselves third sex will sometimes want an emasculation, i. e., they opt to have their penis and / or testicles removed.

* Males have a slightly higher risk of TIA than females but females are more likely to die from a stroke.

Males who have not established such territories sometimes form small bachelor groups.

Males tend to be slightly larger than females and have slightly bigger heads, but there is not a great variation in cheetah sizes and it is difficult to tell males and females apart by appearance alone.

Males have a median income of $ 34, 301 versus $ 26, 652 for females.

Males were almost as likely to have positions of authority over both males and females, and the tradition of Matriarchy, where the highest ranking member was always a female, was not a special directive of the Demon Queen Lolth but rather had been a reality in Drow society since the earliest times attributed naturally to a few ability scores by the male gender being on average inferior, and particularly due to the ' wisdom ' ability rating being on average quite inferior to the females.

Males have two distinct sex chromosomes ( XY ), and are called the heterogametic sex.

Males cannot have sons or fathers.

Males with the FMR1 premutation and clinical evidence of FXTAS were found to have increased occurrence of somatization, obsessive – compulsive disorder, interpersonal sensitivity, depression, phobic anxiety, and psychoticism.

Males have a median income of $ 31, 511 versus $ 26, 403 for females.

Males are not allowed to have long hair.

Males with pathogenic MECP2 mutations usually die within the first 2 years from severe encephalopathy, unless they have an extra X chromosome ( often described as Klinefelter syndrome ), or have somatic mosaicism.

Males have a single-lobed gonad, vas deferens, and a tail specialized for mating.

Males past puberty who develop mumps have a 30 percent risk of orchitis.

Males are usually larger than females and have longer tails.