title: Androgen in high concentrations in the blood of female western gulls, Larus occidentalis.
mesh_terms: D000818:Animals; D001717:Birds / Q000097:blood*; D005260:Female; D006716:Homosexuality; D008297:Male; D010060:Ovulation; D012737:Sex Factors; D012726:Sexual Behavior, Animal; D013739:Testosterone / Q000097:blood*
chemical_list: D013739:Testosterone