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Males will arrive first and attend the colony more frequently than females, partly in order to protect a site or burrow from potential competitors.
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Males and will
Males will become inactive, eat more, and even show some behavioral changes similar to some types of depression in humans.
Males will fight for access to females.
Males who take over a family group will kill the offspring of the previous male.
Males who consider themselves third sex will sometimes want an emasculation, i. e., they opt to have their penis and / or testicles removed.
Males will attempt to kill any intruders, and fights result in serious injury or death.
Males will respond quickly to playbacks of their calls and will repel other members of the same species and even other hole-nesting species from around their nesting sites.
Males with a full mutation display virtually complete penetrance and will therefore almost always display symptoms of FXS, while females with a full mutation generally display a penetrance of about 50 % as a result of having a second, normal X chromosome.
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 make a clicking " smack " noise out of the side of their mouths as they wander in search of a mate, and females will sometimes repeat the sound in return.
Males will typically be larger than females.
Males will fly around over a stretch of water defending a territory and if the pond is small the male will hover over the centre of the pond.
Males will mate with around three females if given the chance.
Males will clean the eggs and the cavity with its fins and mouth.
Males will attempt copulation with members of their own species regardless of sex or size, however interactions between males are most often shorter in duration and end with the mounting octopus withdrawing the hectocotylus without packet insertion or struggle.
Males returning from a foraging trip will frequently copulate on return, as this increases the chances of his sperm fertilizing the eggs rather than a different male.
Males will gain considerable altitude, then perform a power dive ; as they pull up from the dive, the wings make a sudden, low sound that is called " booming ".
Males will show territorial behaviour if another male is at the edge of his territory.
Males will fight briefly, but not fatally, for mates.
Males fighting for females will yelp and growl.
Males will make a short high-pitched squeal when hurt and foals will emit a drawn out wail when in distress.
Males will roam the ice for a mate.
Males and arrive
Males arrive in the colonies before the females and fight for control of harems.
Males arrive first and begin the building of the nest, where they display to attract females.
Males arrive before females after migration and begin defending territories.
Males arrive at the breeding area in the spring, and establish a territory before the females arrive.
Males form pure flocks during migration and arrive in the winter quarters well before the females.
Males nearly always bring food to the nestling singly, and if several arrive at once one will pass food to a nestling while the others wait.
Males arrive first to establish and defend territories, but then switch to defending females when they arrive.
Males obtain and guard territory in late October before females arrive.
Males and first
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 presenting with phimosis who injure their frenulum during first penetration are said to be " uncartridged " as opposed to " cartridged " before first intercourse.
Males usually build their first mound ( or take over an existing one ) in their fourth year, but tend not to achieve as impressive a structure as older birds.
Males and females are sexually mature in their first year, usually by 4-5 months old.
Males in their first spring are nearly identical to the adult male, but have less black on their crown and chest.
Males establish small territories and mate with a female who lays a first clutch of eggs.
Males attain sexual maturity between five and nine years of age, and females have their first calf between seven and nine years old.
Males ( dogs ) are judged first, then females ( bitches ).
Males migrate to new social groups multiple times during the course of their lifetimes, migrating for the first time between 20 months and 11 years of age.
Males that puddle are typically fresh, and puddle only for their first couple of days.
Richard F. Doyle is an author whose earlier book " The Rape of the Male " and current book " Save the Males " have established him as one of the first leading father's / men's rights advocates.
Males will become sexually active after their first year of life and females generally take two years before they can start reproducing.
Males are distinguishable from females due to hard swellings ( called nuptial pads ) on their first finger.
Males reach sexual maturity during their first year at 5. 9-7. 9 inches ( 15. 0-20. 0 cm ) fork length.
Males begin hibernating first, while females that have reproduced start later.
Males migrate first with females following shortly thereafter.
Males and females first mate when two years old.
Males are signified by their coloration and have a deep dark band spanning from their snout to the first dorsal spine as well as the lateral black spot behind the pectoral fins.
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