title: Diurnal and seasonal variations of plasma adrenal steroid hormone in the white-throated sparrow, Zonotrichia albicollis.
mesh_terms: D000818:Animals; D001717:Birds / Q000502:physiology*; D001835:Body Weight; D002940:Circadian Rhythm; D003345:Corticosterone / Q000097:blood*; D005260:Female; D005470:Fluorometry; D008055:Lipids / Q000032:analysis; D008297:Male; D008675:Metamorphosis, Biological; D009929:Organ Size; D010053:Ovary / Q000033:anatomy & histology; D010057:Oviducts / Q000033:anatomy & histology; D012621:Seasons; D013737:Testis / Q000033:anatomy & histology
chemical_list: D008055:Lipids; D003345:Corticosterone