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Males prefer young adult females over juveniles and older adults.
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Males and prefer
Males, which are larger and migrate earlier in spring, prefer to winter in white mangrove, and are able to maintain or gain weight through the winter.
Males prefer to associate with other males around same age, when they are two years old.
Males and young
Males, called bulls, tend to be solitary while females with young live in groups of 6 to 8.
Males rarely help raise the young, and only if they live in pairs or in small groups.
Males leave their mothers ' territories after puberty but females remain, forming social groups consisting of closely related females and their young.
Males play no part in rearing the young.
Males leave their mothers ' territories after puberty, but females remain, forming social groups consisting of closely related females and their immature young.
Males defend the nest by standing guard nearby while the female incubates the eggs and broods the young.
Males and females fish differently, which could contribute to the reasons that Blue-foots — unlike other boobies — raise more than one young.
Males can father kittens from as young as five months to over ten years.
Males, females and juveniles are similar in appearance, though young birds are a brownish-grey.
Males ( called sakrets in falconry ) and females are similar, as are young birds, although these tend to be a duller brown.
Males use their horns during rutting season to wrestle and butt heads with rivals, while females use their horns to protect their young from predators.
Males may travel up to 20 km to forage and up to five males will regularly provide food for each female, each competing with the others for her affections and the right to father her young.
Males are smaller than females and alone care for the eggs and young.
Males do not take part in raising the young, but other females of the group ( the " aunties ") share the burden.
However, sociologist Mike Males has suggested that ephebiphobia does not analyze the problem deep enough, as the fear of adult stereotype of adolescence, or kourophobia, is the core challenge facing young people today.
Males ( bucks ) rabbits have no part in raising the young.
Males and adult
Males in immature and winter plumage and are similar to females, except that adult males retain the white wing patches all year.
Males in their first spring are nearly identical to the adult male, but have less black on their crown and chest.
Males tend to be slower growing and reach a smaller adult size.
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 cease feeding, lose their stomach and oesophagus, and apparently convert the energy from the bolus of copepods found in all transforming males to a massive liver that supports them throughout adult life.
Males and occasionally adult females growl menacingly at the approach of a human.
Males will bite through the exoskeleton and deliver sperm to the organs without performing the somersault seen in males mating with adult females.
Males are larger than females, weighing, with a maximum of, compared with the adult female weight of around.
Males are light green with black or blue scale edges, but adult females may be brown.
Together with the Red-spectacled Amazon and the Yellow-lored Amazon, it is the only Amazon species in which adult males and females easily can be distinguished by external appearance ( sexual dimorphism ): Males have bright red feathers on their " shoulders " ( alula ), while females have green " shoulders ".
Males and females
Males normally exhibit such behaviour though in some species, females and even juveniles are also involved.
Males constitute 53 % of the population and females 47 %.
Males had a median income of $ 30, 529 versus $ 23, 384 for females.
Males had a median income of $ 26, 591 versus $ 20, 000 for females.
Males and females are identical in plumage coloration, but sexual dimorphism is evident in the species in that females are 25 percent larger than males.
Males have massive backswept horns while females have smaller, thinner and more parallel horns.
Males had a median income of $ 50, 789 versus $ 40, 623 for females.
Males had a median income of $ 43, 825 versus $ 38, 489 for females.
Males had a median income of $ 35, 504 versus $ 27, 348 for females.
Males had a median income of $ 29, 773 versus $ 21, 283 for females.
Males had a median income of $ 40, 367 versus $ 24, 446 for females, and the per capita income was $ 22, 055.
Males may fight for females in various ways, and in such species there tends to be marked sexual dimorphism.
Males have a median income of $ 35, 296 versus $ 27, 418 for females.
Males had a median income of $ 39, 167 versus $ 23, 594 for females.
Males can measure up to tall while standing and females up to tall.
Males remain in their natal communities, while females generally emigrate at adolescence.
Males had a median income of $ 46, 216 versus $ 35, 682 for females.
Males had a median income of $ 31, 022 versus $ 22, 829 for females.
Males have a median income of $ 51, 799 versus $ 33, 269 for females.
Males had a median income of $ 31, 136 versus $ 23, 041 for females.
Males had a median income of $ 40, 856 versus $ 28, 385 for females.
Males are often more than five times heavier than the females, making them among the most sexually dimorphic of all mammal groups.
Males fast during the reproductive season, unwilling to leave their females or territories.
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