..., instructions or products referred to in the content or advertisements. Glucocorticoids Endocrinology Neotropical primates Urban areas As a way to simplify the terminology used for both sampling areas of this study, we differentiated them into 2 groups: “Urban” to all those areas where...

... becomes and remains alpha male for the remainder of the study period; phase 3: dry season; phase 4: early wet season. Rank acquisition Dominance Reproduction Endocrinology Fecal hormones Male competition Group-living males compete for mates directly, in the form of challenges...

..., and bAnthropology, American Museum of Natural History, New York, N.Y., USA Key Words. Lemurs Gonadotropins Luteinizing hormone Bioassay Radioimmunoassay Endocrinology The lemurs of Madagascar all exhibit a distinctly seasonal pattern of breeding, with sexual activity restricted to a single brief annual...

... of Sexual Function in the Male Lesser Mouse Lemur (Microcebus murinus) Key Words Male reproductive function Seasonality Social factors Chemical signals Endocrinology Mouse lemur Microcebus Testosterone Prolactin Pheromone Dominance Abstract Environmental factors that regulate the sexual activity of male...