Example image of eyePlorer eyePlorer map for 'Sexual dimorphism': Gender Species Sexual dichromatism Female Male Mammal Fish Spider Spotted Hyena Hymenoptera Duck Galliformes Peafowl Painted snipe Phalarope Wader Eclectus Parrot Huia Grub Blue Wildebeest Horn (anatomy) Osedax Polychaete Whale fall Bonellia viridis Echiura Barnacle Sacculina Scale insect Anglerfish Sex steroid Androgen Lordosis behavior Mating Camouflage Birds of Paradise Lyrebird Common Pheasant Fitness (biology) Natural selection Charles Darwin Sexual selection Polygamy Parental investment Robert Trivers Biology of gender Sex and intelligence Transgender Basal metabolic rate Fat