主题词：Neuroendocrine regulation and behavior; Stress Responses and Cortisol; Animal Behavior and Reproduction; Hypothalamic control of reproductive hormones; Evolutionary Psychology and Human Behavior; Hormonal and reproductive studies; Estrogen and related hormone effects; Plant and animal studies; Animal Vocal Communication and Behavior; Primate Behavior and Ecology; Diverse Scientific and Economic Studies; Human auditory perception and evaluation; Circadian rhythm and melatonin; Educational Robotics and Engineering; Animal Behavior and Welfare Studies; Avian ecology and behavior; Regulation of Appetite and Obesity; Menopause: Health Impacts and Treatments; Amphibian and Reptile Biology; Olfactory and Sensory Function Studies; Neurobiology and Insect Physiology Research; Ovarian function and disorders; Sexual Differentiation and Disorders; Adipose Tissue and Metabolism; Reproductive biology and impacts on aquatic species