Copulatory behavior of cotton rats (Sigmodon hispidus).
D000818:Animals; D003307:Copulation; D004971:Estrus; D005260:Female; D006120:Grooming; D008297:Male; D010060:Ovulation; D011247:Pregnancy; D051381:Rats; D012726:Sexual Behavior, Animal; D013045:Species Specificity