Reproductive Behavior

Mating in many species induces a dramatic switch in female reproductive behaviour. In most insects, this switch is triggered by… (More)

Observations of reproductive behavior in free-ranging Lemur catta were carried out during one annual cycle. Variability in the… (More)

Fish commonly use reproductive hormones (steroids and prostaglandins) both as endogenous signals between reproductive tract and… (More)

Hormonal and chemosensory signals regulate social behaviors in a wide variety of mammals. In the male Syrian hamster, these… (More)

Adult dung beetles (Onthophagus acuminatus) exhibit continuous variation in body size resulting from differential nutritional… (More)

Oxytocin, a neurohypophyseal hormone, has been traditionally considered essential for mammalian reproduction. In addition to… (More)

Sex peptide, a secreted component of the male accessory glands, has been shown to induce behavioral and physiological changes in… (More)

The adult male accessory glands of D. melanogaster synthesize and secrete a peptide that represses female sexual receptivity and… (More)

The gonads and adrenal glands produce steroids classified into five major groups which include the oestrogens, progestins… (More)

Parental investment theory suggests that investment by males through courtship feeding of their mates may represent an important… (More)