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Intersex is a group of conditions where there is a discrepancy between the external genitals and the internal genitals (the testes and ovaries).
Color Morphs (Different Female types or Male types)
Phenotypic (What Sex It Looks Like) Plasticity
Plasticity In Reproductive Phenotypes Reveals Status-Specific Correlations Between Behavioral, Morphological, And Physiological Sexual Traits.
"... in the fowl, Gallus gallus, that males of different social status, which experience different intensities of sexual competition, before and after copulation, have different reproductive phenotypes. Dominant males are more vigilant, feed less, and have larger sexual ornaments than subordinate males. Experimentally manipulating social status revealed that these differences were phenotypically plastic, indicating multiple sexual traits were dependent on the social environment. "