Female presence affects male behavior and testosterone levels in the European starling (Sturnus vulgaris).
D000818:Animals; D003380:Courtship; D005260:Female; D008297:Male; D009425:Nesting Behavior / Q000502:physiology*; D010152:Pair Bond; D012737:Sex Factors; D012931:Social Environment; D020308:Songbirds / Q000097:blood*; D013739:Testosterone / Q000097:blood*
D013739:Testosterone