Chair for copulating couples The costs of copulating in the dung fly Sepsis cynipsea Why do male birds stop copulating while their partners are still fertile? Do female tree swallows guard their mates by copulating frequently? Copulating with multiple mates enhances female fecundity but not egg-to-adult survival in the bruchid beetle Callosobruchus maculatus Exogenous androgen activates female behavior in noncopulating, prenatally stressed male rats. Female red-winged blackbirds accrue material benefits from copulating with extra-pair males ☆ ☆☆ Increased dopamine release in the nucleus accumbens of copulating male rats as evidenced by in vivo voltammetry The unique pollination of Leporella fimbriata (Orchidaceae): pollination by pseudocopulating male ants (Myrmecia urens, Formicidae). Comparative analysis of immunoreactive cells for androgen receptors and oestrogen receptor alpha in copulating and non-copulating ma...
