Reproductive endocrinology of birds.
D000818:Animals; D001717:Birds / Q000502:physiology*; D004777:Environment; D005260:Female; D012739:Gonadal Steroid Hormones / Q000502:physiology; D006065:Gonadotropins, Pituitary / Q000502:physiology; D007030:Hypothalamo-Hypophyseal System / Q000502:physiology; D008027:Light; D008297:Male; D010507:Periodicity; D012098:Reproduction; D012621:Seasons
D012739:Gonadal Steroid Hormones; D006065:Gonadotropins, Pituitary