• Dominance and social status emerge as structural regulators of sexual behavior across primates and humans, linking hierarchical position to mating access, aggression, and gendered sexuality. [6] [9] [15] [16] [1]

• Endocrine states and hormones repeatedly frame sexual behavior and orientation as proximate drivers, as shown by hormone treatments, ovarian conditions, sex-hormone studies, and intersexuality experiments across species. [2] [5] [11] [12] [13] [14] [18] [19] [20] [17]

• Species-specific mating cues and reproductive isolation frameworks surface across drosophila, rhesus macaques, rats, and guinea pigs, indicating behavior is tuned to species cues and hormonal states. [7] [15] [13] [12]

• Methodological diversity characterizes sex-behavior research, combining observational studies, psychophysiology, electrophysiology, and controlled experiments across animals and humans. [2] [4] [10] [8] [20]

• Gender, sexuality, and identity debates probe the interaction of biology with sociocultural constructs, including sexual orientation, dominance, and sex-role expectations. [3] [17] [16] [19] [18]